Quotes:
It is often stated that of all the theories proposed in this century, the silliest is quantum theory. In fact, some say that the only thing that quantum theory has going for it is that it is unquestionably correct.
View quotes by Michio Kaku
There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.There is another theory which states that this has already happened.
View quotes by Douglas Adams
No theory is good unless it permits, not rest, but the greatest work. No theory is good except on condition that one use it to go on beyond.
View quotes by André Gide
A theory can be proved by experiment; but no path leads from experiment to the birth of a theory
View quotes by Albert Einstein
Experience without theory is blind, but theory without experience is mere intellectual play.
View quotes by Imannuel Kant
A mathematical theory is not to be considered complete until you have made it so clear that you can explain it to the first man whom you meet on the street. [hmm so that means no mathematical theory is complete then!]
View quotes by David Hilbert
If facts conflict with a theory, either the theory must be changed or the facts.
View quotes by Benedict Spinoza
Thought and theory must precede all salutary action; yet action is nobler in itself than either thought or theory.
View quotes by Virginia Woolf
In theory there is no difference between theory and practice. In practice there is.
View quotes by Yogi Berra
In theory, there is no difference between theory and practice. But, in practice, there is.
View quotes by Jan La Van De Snepscheut
You can't run a business or anything else on a theory.
View quotes by Harold Geneen
A theory must be tempered with reality.
View quotes by Jawaharlal Nehru
Let your religion be less of a theory and more of a love affair.
View quotes by Gilbert Keith Chesterton
My theory of evolution is that Darwin was adopted.
View quotes by Steven Wright
An ounce of action is worth a ton of theory.
View quotes by Friedrich Engels
As for everything else, so for a mathematical theory: beauty can be perceived but not explained.
View quotes by Arthur Cayley
I've got a theory that if you give 100% all of the time, somehow things will work out in the end.
View quotes by Larry Bird
Read no history: nothing but biography, for that is life without theory.
View quotes by Benjamin Disraeli
There is such great diversity out there that the evolutionary theory has to explain this; it is not as easy as it may perhaps seem.
View quotes by Peter Grant
The theory and practice of gamesmanship or
The art of winning games without actually cheating.
View quotes by Stephen Potter