Best theory & practicals Quotes | Short & Famous Sayings

“Just as some plants bear fruit only if they don't shoot up too high, so in practical arts the leaves and flowers of theory must be pruned and the plant kept close to its proper soil- experience.”

Ifs Art Flower Theory Bears Plant Fruit Practicals Soil Leaves And Flowers

Book:On War

Source: On War

“If you find that you're spending almost all your time on theory, start turning some attention to practical things; it will improve your theories. If you find that you're spending almost all your time on practice, start turning some attention to theoretical things; it will improve your practice.”

Ifs Attention Practice Theory Spending Practicals Theoretical Practical Things

Author:Donald Knuth

“The first business of philosophy is to account for things as they are; and till our theories will do this, they ought not to be the ground of any practical conclusion.”

Firsts Philosophy Theory Ought Accounts Practicals Conclusion

Book:An Essay on the Principle of Population, Or, a View of Its Past and Present Effects on Human Happiness: With an Inquiry Into Our Prospects Respecting the Future Removal Or Mitigation of the Evils which it Occasions

Source: An Essay on the Principle of Population, Or, a View of Its Past and Present Effects on Human Happiness: With an Inquiry Into Our Prospects Respecting the Future Removal Or Mitigation of the Evils which it Occasions

“It is a mistake to think of these men as visionary dreamers, playing around at Philadelphia with abstract conceptions of political theory, pulling a whole scheme of government out of the air like a rabbit out of a hat. True, many of them had read and studied enough about the science of politics to put the average statesman of today to shame. But political science was to them an extremely practical topic of discussion, dealing with the extremely practical business of running a government--not, as today, a branch of higher learning reserved for the use of graduate students.”

Source: 55 Men, Story of Constitution

“One important idea is that science is a means whereby learning is achieved, not by mere theoretical speculation on the one hand, nor by the undirected accumulation of practical facts on the other, but rather by a motivated iteration between theory and practice.”

Mean Important Ideas Facts Hands Practice Theory Mere Practicals Motivated Speculation Theoretical Accumulation Theory And Practice

Author:George E. P. Box

“For the theory-practice iteration to work, the scientist must be, as it were, mentally ambidextrous; fascinated equally on the one hand by possible meanings, theories, and tentative models to be induced from data and the practical reality of the real world, and on the other with the factual implications deducible from tentative theories, models and hypotheses.”

World Real Hands Reality Practice Theory Models Scientist Practicals Data Real World Fascinated Hypothesis Implications Factual Ambidextrous

Book:The collected works of George E.P. Box

Source: The collected works of George E.P. Box

“For the most part, quantum theory has been of little practical value in my life.”

Littles Has Beens Values Theory Practicals Quantum Quantum Theory

Author:Jenny Diski

“Jefferson's Declaration of Independence is a practical document for the use of practical men. It is not a thesis for philosophers, but a whip for tyrants; it is not a theory of government but a program of action.”

Men Use Government Action Theory Program Independence Philosopher Practicals Tyrants Documents Declaration Whips Declaration Of Independence Thesis

Book:Wit and Wisdom of Woodrow Wilson: Extracts from the Public Speeches of the Leader and Interpreter of American Democracy, with Masterpieces of Eloquence

Source: Wit and Wisdom of Woodrow Wilson: Extracts from the Public Speeches of the Leader and Interpreter of American Democracy, with Masterpieces of Eloquence

“Everyone can err, but Stalin considered that he never erred, that he was always right. He never acknowledged to anyone that he made any mistake, large or small, despite the fact that he made not a few mistakes in the matter of theory and in his practical activity.”

Made Matter Facts Mistake Theory Activity Practicals Despite

Book:Khrushchev Speaks: Selected Speeches, Articles, and Press Conferences, 1949-1961

Source: Khrushchev Speaks: Selected Speeches, Articles, and Press Conferences, 1949-1961

“Second, I use inference from technical studies and theories in order to provide practical information for therapists. Those thoughts are several steps removed from scientific validity.”

Use Order Steps Study Information Theory Practicals Therapists Validity Inference

Author:Virgil Miller Newton

“Although it may be difficult in theory to know what is just and equal, the practical difficulty of inducing those to forbear who can, if they like, encroach, is far greater, for the weaker are always asking for equality and justice, but the stronger care for none of these things.”

Ifs Knows May Care Difficult Justice Greater Human Nature Theory Equal Difficulty Stronger Asking Practicals Equality And Justice

Book:Delphi Complete Works of Aristotle (Illustrated)

Source: Delphi Complete Works of Aristotle (Illustrated)

“I'm just interested in women's friendships generally. It always seems to me, and this is just my pet theory, that women are kind of at the sharp end of capitalism one way or another. Mainly because they buy everything. In a practical sense, women buy most things. They're always comparing - to friends, to famous people, to other people. An obsessive act of comparison.”