The knowledge of the theory of logic has no tendency whatever to make men good reasoners.

The moment a person forms a theory his imagination sees in every object only the traits which favor that theory.

Suspense is very important. Even though this is humor and they're short stories that theory of building suspense is still there.

My theory has always been that if we are to dream the flatteries of hope are as cheap and pleasanter than the gloom of despair.

Read no history: nothing but biography for that is life without theory.

I have a theory that the secret of marital happiness is simple: drink in different pubs to your other half.

In theory there is a possibility of perfect happiness: To believe in the indestructible element within one and not to strive towards it.

The world runs on individuals pursuing their self interests. The great achievements of civilization have not come from government bureaus. Einstein didn't construct his theory under order from a from a bureaucrat. Henry Ford didn't revolutionize the automobile industry that way.

Democracy is the theory that the common people know what they want and deserve to get it good and hard.

Scientific views end in awe and mystery lost at the edge in uncertainty but they appear to be so deep and so impressive that the theory that it is all arranged as a stage for God to watch man's struggle for good and evil seems inadequate.