Practical quotes

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Marcus_Aurelius

Master The Difficult

“Because you find a thing very difficult, do not at once conclude that no man can master it. But whatever you observe proper and practicable by another, believe likewise within your own power.”
Keywords: Find_quotes Difficult_quotes Conclude_quotes Man_quotes Master_quotes Observe_quotes Proper_quotes Practical_quotes Another_quotes Believe_quotes Power_quotes

Max_Born

Experience and Knowledge

“But in practical affairs, particularly in politics, men are needed who combine human experience and interest in human relations with a knowledge of science and technology. Moreover, they must be men of action and not contemplation. I have the impression that no method of education can produce people with all the qualities required. I am haunted by the idea that this break in human civilization, caused by the discovery of the scientific method, may be irreparable.”
  • Source: Max Born, My Life & My Views (1968), 57-8.
Keywords: Political_quotes Humanity_quotes Experience_quotes Interest_quotes Science_quotes Technology_quotes Contemplation_quotes Action_quotes Education_quotes Civilization_quotes Scientific_Method_quotes Practical_quotes Affair_quotes Men_quotes Need_quotes Combine_quotes Relation_quotes Knowledge_quotes Impression_quotes Produce_quotes People_quotes Quality_quotes Require_quotes Haunt_quotes Idea_quotes Break_quotes Discovery_quotes Irreparable_quotes

George_E_P_Box

All Models Wrong

“Remember that all models are wrong; the practical question is how wrong do they have to be to not be useful.”
  • Source: George E.P. Box, Co-author with Norman R. Draper, In George E.P. Box and Norman R. Draper, Empirical Model-Building and Response Surfaces (1987), 74.
Keywords: Model_quotes Approximation_quotes Usefulness_quotes Error_quotes Wrong_quotes Practical_quotes Question_quotes

Warren_Buffett

Money Versus Business

“So as a practical matter we need management with the businesses that we buy and three times out of four thereabouts the manager is the owner and is receiving tens of millions maybe hundreds of millions of dollars so they don't have to work and we have to decide in that time when we meet them whether they love the business or love money... I'm not making a moral judgment about whether it's better to love the business or love money but it's very important for me to know which which of the two is the primary motivator with them... so all all we have to do is avoid anything that on our part that diminishes that love of the business or makes other conditions so intolerable that they overcome that love of the business. We have a number of people working for us that have no financial need to work at all and they probably outwork 95 percent or more of the people in the world and they do it because they just they love smacking the ball.”
Keywords: Practical_quotes Matter_quotes Management_quotes Business_quotes Owner_quotes Receive_quotes Money_quotes Work_quotes Decide_quotes Love_quotes Morality_quotes Judgment_quotes Knowledge_quotes Diminish_quotes Motivator_quotes Primary_quotes Avoid_quotes Condition_quotes Intolerable_quotes Overcome_quotes People_quotes Financial_quotes Need_quotes Outwork_quotes Do_quotes Smack_quotes Ball_quotes

Peter_Drucker

Education

“Tomorrow everybody - or practically everybody - will have had the education of the upper class of yesterday, and will expect equivalent opportunities. That is why we face the problem of making every kind of job meaningful and capable of satisfying every educated man.”
  • Source: Peter F. Drucker, “Landmarks of Tomorrow: A Report on the New 'Post-Modern' World”, New York: Harper & Row, 1959. p. 121.
Keywords: Tomorrow_quotes Everybody_quotes Practical_quotes Education_quotes Upper_quotes Class_quotes Yesterday_quotes Equal_quotes Opportunity_quotes Face_quotes Problem_quotes Make_quotes Kind_quotes Job_quotes Meaning_quotes Capability_quotes Satisfaction_quotes Man_quotes Human_quotes

Samuel_C_Florman

Scientific Engineers

“Although engineers are not scientists, they study the sciences and use them to solve problems of practical interest, most typically by the process that we call creative design.”
  • Source: From the book “The Existential Pleasures of Engineering” by {Samuel C. Florman}. Second edition published in 1994 by {St. Martin's Press}, New York, NY. First edition published in 1976. Kindle edition published in 2023. E-book ISBN 978-1466842366. Preface to the first edition.
Keywords: Engineer_quotes Scientist_quotes Science_quotes Study_quotes Solve_quotes Problem_quotes Practical_quotes Interest_quotes Typical_quotes Process_quotes Creative_quotes Design_quotes

Emotional Fulfillment

“The nature of engineering has been misconceived. Analysis, rationality, materialism, and practical creativity do not preclude emotional fulfillment; they are pathways to such fulfillment. They do not ‘reduce’ experience, as is so often claimed; they expand it. Engineering is superficial only to those who view it superficially. At the heart of engineering lies existential joy.”
  • Source: From the book “The Existential Pleasures of Engineering” by {Samuel C. Florman}. Second edition published in 1994 by {St. Martin's Press}, New York, NY. First edition published in 1976. Kindle edition published in 2023. E-book ISBN 978-1466842366. Chapter 8, page 101.
Keywords: Nature_quotes Engineering_quotes Misconceived_quotes Analysis_quotes Rationality_quotes Materialism_quotes Practical_quotes Creativity_quotes Preclude_quotes Emotion_quotes Fulfillment_quotes Pathway_quotes Reduce_quotes Experience_quotes Claim_quotes Expand_quotes Superficial_quotes Heart_quotes Existential_quotes Joy_quotes

Gordon_Glegg

User Specifications

“If you are concerned in making the production of some article quicker, better or cheaper, you will naturally study how it is being done at the moment. It may seem paradoxical but the man least likely to help you is the operator in charge of the machine. The more 'down-to-earth' and 'practical' he considers himself the more 'unpractical' and 'up-in-the-air' he is likely to be from your point of view. He is too near the machine to know why it works. He only knows how it works.”
  • Source: Glegg, G. L. (1969). The Design of Design. Cambridge, UK: Cambridge University Press. ISBN: 978-0-511-79996-9. Chapter 1, page 12.
Keywords: Concern_quotes Production_quotes Quick_quotes Fast_quotes Better_quotes Cheap_quotes Study_quotes Paradox_quotes Status_Quo_quotes Operator_quotes Machine_quotes Practical_quotes Perspective_quotes Point_of_View_quotes Knowledge_quotes Unpractical_quotes DownToEarth_quotes UpInTheAir_quotes

William_Rowan_Hamilton

Theory and Hypothesis

“This word [theoryJ is employed by English writers in a very loose and improper sense. It is with them usually convertible into hypothesis, and hypothesis is commonly used as another term for conjecture. The terms theory and theoretical are properly used in opposition to the terms practice and practical. In this sense they were exclusively employed by the ancients; and in this sense they are almost exclusively employed by the continental philosophers.”
  • Source: Written by William Rowan Hamilton. Recorded in the book 'Isaac Asimov’s Book of Science and Nature Quotations, edited by Isaac Asimov and Jason A. Shulman, published in 1988 by Weidenfeld and Nicolson, New York. Chapter 84, quote number 84.9, page 325. ISBN 1-555-84111-2.
Keywords: Word_quotes Theory_quotes Employ_quotes English_quotes Language_quotes Writer_quotes Loose_quotes Improper_quotes Sense_quotes Convertible_quotes Hypothesis_quotes Common_quotes Term_quotes Practice_quotes Practical_quotes Exclusive_quotes Ancient_quotes Continental_quotes Philosopher_quotes

William_James

True Ideas

“True ideas are those that we can assimilate, validate, corroborate, and verify. False ideas are those that we can not. That is the practical difference it makes to us to have true ideas; that, therefore, is the meaning of truth, for it is all that truth is known-as. This thesis is what I have to defend. The truth of an idea is not a stagnant property inherent in it. Truth happens to an idea. It becomes true, is made true by events. Its verity is in fact an event, a process: the process namely of its verifying itself, its verification. Its validity is the process of its validation.”
  • Source: William James. From the book “Pragmatism: New Name for Some Old Ways of Thinking”. Lecture VI. Published in 1907 by <Longman's, Green and Co.>, New York, NY.
Keywords: True_quotes Assimilate_quotes Corroborate_quotes Verify_quotes False_quotes Idea_quotes Practical_quotes Difference_quotes Meaning_quotes Truth_quotes Known_quotes Thesis_quotes Defend_quotes Stagnant_quotes Property_quotes Inherent_quotes Happen_quotes Become_quotes Make_quotes Event_quotes Verity_quotes Fact_quotes Process_quotes Validate_quotes

Alan_Perlis

Useful Software Systems

“We recognize that a practical problem of considerable difficulty and importance has arisen: The successful design, production and maintenance of useful software systems. The importance is obvious and the more so since we see only greater growth in demands and requirements in the future. The consequences of poor performance, poor design, instability and mismatching of promise and performance are not going to be limited to the computing fraternity, or even their nearest neighbors, but will affect considerable sections of our society whose ability to forgive is inversely proportional to their ignorance of the difficulties we face. The source of difficulty is distributed through the whole problem, easy to identify, and yet its cure is hard to pinpoint so that systematic improvement can be gotten.”
Keywords: Usefulness_quotes Practical_quotes Problem_quotes Difficulty_quotes Importance_quotes Arise_quotes Success_quotes Design_quotes Production_quotes Maintain_quotes Software_quotes System_quotes Obvious_quotes Great_quotes Growth_quotes Demand_quotes Requirements_quotes Consequence_quotes Poor_quotes Performance_quotes Instability_quotes Mismatch_quotes Promise_quotes Go_quotes Limitation_quotes Computing_quotes Fraternity_quotes Near_quotes Neighbor_quotes Affect_quotes Considerable_quotes Section_quotes Society_quotes Ability_quotes Forgiveness_quotes Inverse_quotes Proportion_quotes Ignorance_quotes Face_quotes Source_quotes Distributed_quotes Easy_quotes Identify_quotes Cure_quotes Hard_quotes Pinpoint_quotes Improve_quotes

Steven_Pinker

Experts

“Experts are invaluable and are usually rewarded in esteem and wealth. But our reliance on experts puts temptation in their path. The experts can allude to a world of wonders — occult forces, angry gods, magical potions — that is inscrutable to mere mortals but reachable through their services. Tribal shamans are flimflam artists who supplement their considerable practical knowledge with stage magic, drug-induced trances, and other cheap tricks. Like the Wizard of Oz, they have to keep their beseechers from looking at the man behind the curtain, and that conflicts with the disinterested search for the truth.”
  • Source: Steven Pinker (1997). How the Mind Works. New York, NY: W. W. Norton. ISBN 978-0-393-06973-0; eISBN 978-0-393-06973-0. Chapter 5 Section: Ecological Intelligence.
Keywords: Expert_quotes Invaluable_quotes Reward_quotes Esteem_quotes Wealth_quotes Reliance_quotes Temptation_quotes Path_quotes Allude_quotes World_quotes Wonder_quotes Occult_quotes Anger_quotes God_quotes Magic_quotes Inscrutable_quotes Mortality_quotes Reach_quotes Service_quotes Tribal_quotes Shaman_quotes Flimflam_quotes Art_quotes Supplement_quotes Practical_quotes Knowledge_quotes Stage_quotes Drug_quotes Induce_quotes Trance_quotes Cheap_quotes Trick_quotes Wizard_quotes Oz_quotes Beseech_quotes Look_quotes Behind_quotes Curtain_quotes Conflict_quotes Search_quotes Truth_quotes Disinterest_quotes

Michael_Polanyi

Scientific Method Elucidation

“Almost every major systematic error which has deluded men for thousands of years relied on practical experience. Horoscopes, incantations, oracles, magic, witchcraft, the cures of witch doctors and of medical practitioners before the advent of modern medicine, were all firmly established through the centuries in the eyes of the public by their supposed practical successes. The scientific method was devised precisely for the purpose of elucidating the nature of things under more carefully controlled conditions and by more rigorous criteria than are present in the situations created by practical problems.”
  • Source: Michael Polanyi, Personal Knowledge (1958), 183.
Keywords: Major_quotes System_quotes Error_quotes Delusion_quotes Humanity_quotes Year_quotes Practical_quotes Experience_quotes Horoscope_quotes Incantation_quotes Oracle_quotes Magic_quotes Witchcraft_quotes Cure_quotes Witch-Doctor_quotes Medical_quotes Practitioner_quotes Modern_quotes Medicine_quotes Firm_quotes Establish_quotes Century_quotes Eye_quotes Public_quotes Suppose_quotes Success_quotes Scientific_Method_quotes Devise_quotes Precision_quotes Purpose_quotes Elucidate_quotes Nature_quotes Careful_quotes Control_quotes Condition_quotes Rigorous_quotes Criteria_quotes Present_quotes Situation_quotes Create_quotes Problem_quotes Thousand_quotes Doctor_quotes Science_quotes Method_quotes

Todd_Rose

No One Average

“No one is average... This is a scientific fact with enormous practical consequences.”
  • Source: From the book “The End of Average: How We Succeed in a World That Values Sameness”, written by Todd Rose, published 2016 by HarperCollins, Kindle Edition, page 11. ISBN: 978-0062358387 (e-book).
Keywords: Average_quotes Scientific_quotes Fact_quotes Enormous_quotes Practical_quotes Consequence_quotes

Mark_Seemann

Pair Programming

“...not everyone likes pair programming. As a typical introvert, I personally find the activity exhausting. It also leaves little room for contemplation, and it requires synchronization of schedules... it’s hardly practical or desirable to do it all the time.”
  • Source: Mark Seemann, “Code That Fits in Your Head: Heuristics for Software Engineering”. Published in 2021 by Pearson Education, Kindle Edition, ISBN: 978-0-13-746440-1. Page 190.

Keywords: Everyone_quotes Like_quotes Pair_quotes Programming_quotes Typical_quotes Introvert_quotes Activity_quotes Exhaust_quotes Leave_quotes Little_quotes Room_quotes Contemplation_quotes Require_quotes Synchronization_quotes Schedule_quotes Practical_quotes Desirable_quotes All_quotes Time_quotes Do_quotes

Max_Tegmark

Quantum Impact

“We virtually ignore the astonishing range of scientific and practical applications that quantum mechanics undergirds: today an estimated 30 percent of the U.S. gross national product is based on inventions made possible by quantum mechanics, from semiconductors in computer chips to lasers in compact-disc players, magnetic resonance imaging in hospitals, and much more.”
  • Source: Max Tegmark and John Archibald Wheeler; Scientific American, February 2001
Keywords: Virtual_quotes Ignore_quotes Astonishment_quotes Range_quotes Science_quotes Practical_quotes Application_quotes Quantum_quotes Mechanics_quotes Physics_quotes Undergird_quotes Today_quotes GDP_quotes Invention_quotes Possibility_quotes Semiconductor_quotes Computer_quotes Chip_quotes Laser_quotes CD_quotes Magnetic_quotes Resonance_quotes Image_quotes Hospital_quotes Estimate_quotes

Stephen_Wolfram

Second Law of Thermodynamics

“The second law is essentially a computational statement of the fact that systems that start simple to describe will typically become complicated to describe. It's kind of like encryption. You're saying you start with that simple initial seed and then you run this thing and you get something which for all practical purposes looks random. That's what's happening in these systems. It doesn't have to do with molecules running around. It doesn't have to do with the specifics of temperature and so on. It really is a very basic computational phenomenon that actually is a consequence of computational irreducibility.”
  • Source: Spoken by Stephen Wolfram in a video interview with Brian Keating recorded in the YouTube video ‘Stephen Wolfram | My Discovery Changes Everything’ published on channel ‘Dr. Brian Keating’ on 2024-01-19. Video offset 22:17. Online at https://youtu.be/c-RO3vM10Ok?si=i-XspeEtzqA3jPl9 retrieved 2024.
Keywords: Computation_quotes Second_quotes Law_quotes Essential_quotes Statement_quotes Fact_quotes System_quotes Start_quotes Simplicity_quotes Description_quotes Typical_quotes Complicated_quotes Like_quotes Encryption_quotes Say_quotes Initial_quotes Seed_quotes Run_quotes Practical_quotes Purpose_quotes Look_quotes Random_quotes Happen_quotes Molecule_quotes Specific_quotes Temperature_quotes Phenomenon_quotes Consequence_quotes Irreducibility_quotes Thermodynamics_quotes
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