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Theory Quotes

Michael Polanyi quote: "Theories of evolution must provide for the creative acts which..."
Theories of evolution must provide for the creative acts which brought such theories into existence. Michael Polanyi
James Cash Penney quote: "Theory is splendid but until put into practice, it is valueless."
Theory is splendid but until put into practice, it is valueless. James Cash Penney
Theory not only formulates what we know but also tells us what we want to know, that is, the questions to which an answer is needed. Talcott Parsons
Edith Hamilton quote: "Theories that go counter to the facts of human nature are..."
Theories that go counter to the facts of human nature are foredoomed. Edith Hamilton
Harlow Shapley quote: "Theories crumble, but good observations never fade."
Theories crumble, but good observations never fade. Harlow Shapley
George Santayana quote: "Theory helps us to bear our ignorance of facts."
Theory helps us to bear our ignorance of facts. George Santayana
Constantin Brancusi quote: "Theories are patterns without value. What counts is action."
Theories are patterns without value. What counts is action. Constantin Brancusi
Jean Rostand quote: "Theories pass. The frog remains."
Theories pass. The frog remains. Jean Rostand
Hosea Ballou quote: "Theories are always very thin and insubstantial, experience..."
Theories are always very thin and insubstantial, experience only is tangible. Hosea Ballou
Mortimer Adler quote: "Theories of love are found in the works of scientists,..."
Theories of love are found in the works of scientists, philosophers, and theologians. Mortimer Adler
I believe without exception that theory follows practice. Whenever there is a conflict between theory and practice, theory is wrong. As far as I'm concerned, we make theories for what people have done. David Baker
Experience by itself teaches nothing... Without theory, experience has no meaning. Without theory, one has no questions to ask. Hence, without theory, there is no learning. W. Edwards Deming
It is worth repeating at this point the theories that Ford had come up with, on his first encounter with human beings, to account for their peculiar habit of continually stating and restating the very very obvious, as in "It's a nice day," or "You're very tall," or "So this is it, we're going to die."His first theory was that if human beings didn't keep exercising their lips, their mouths probably shriveled up. After a few months of observation he had come up with a second theory, which was... Douglas Adams
Men follow their sentiments and their self-interest, but it pleases them to imagine that they follow reason. And so they look for, and always find, some theory which, a posteriori, makes their actions appear to be logical. If that theory could be demolished scientifically, the only result would be that another theory would be substituted for the first one, and for the same purpose. Vilfredo Pareto
Every theory presented as a scientific concept is just that; it's a theory that tries to explain more about the world than previous theories have done. It is open to being challenged and to being proven incorrect. Marvin Harris

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