If we do discover a complete theory it should be in time understandable in broad principle by everyone. Then we shall all philosophers scientists and just ordinary people be able to take part in the discussion of why we and the universe exist.

I have a theory because I was being beaten up a lot by people outside of school it was almost like if I could make myself sick enough they'd take sympathy on me.

I have a theory and I really believe it. I think your worst weakness can become your greatest single strength.

Every great batter works on the theory that the pitcher is more afraid of him than he is of the pitcher.

Evolution is a bankrupt speculative philosophy not a scientific fact. Only a spiritually bankrupt society could ever believe it. Only atheists could accept this Satanic theory.

Psychotherapy theory turns it all on you: you are the one who is wrong. If a kid is having trouble or is discouraged the problem is not just inside the kid it's also in the system the society.

Land: A part of the earth's surface considered as property. The theory that land is property subject to private ownership and control is the foundation of modern society and is eminently worthy of the superstructure.

I think I've always had a certain amount of skepticism of this whole 'shut up and smile' theory. I haven't ever swallowed that pill so easily although I tried.

The further a mathematical theory is developed the more harmoniously and uniformly does its construction proceed and unsuspected relations are disclosed between hitherto separated branches of the science.

The theory of undirected evolution is already dead but the work of science continues.