"The birth of science as we know it arguably began with Isaac Newton's formulation of the laws of gravitation and motion. It is no exaggeration to say that physics was reborn in the early 20th-century with the twin revolutions of quantum mechanics and the theory of relativity."
"Some men have a silly theory about beautiful women - that somewhere along the line they'll turn into a monster. That movie gave them a chance to watch it happen."
"Agricultural practice served Darwin as the material basis for the elaboration of his theory of Evolution, which explained the natural causation of the adaptation we see in the structure of the organic world. That was a great advance in the knowledge of living nature."
"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."
"The scientific theory I like best is that the rings of Saturn are composed entirely of lost airline luggage."
"Democracy is the theory that the common people know what they want, and deserve to get it good and hard."
"Time travel used to be thought of as just science fiction, but Einstein's general theory of relativity allows for the possibility that we could warp space-time so much that you could go off in a rocket and return before you set out."
"Every great batter works on the theory that the pitcher is more afraid of him than he is of the pitcher."
"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."