"Concerning such dimensionless constants] I would like to state a theorem which at present cannot be based upon anythi…"

"All science has one aim, namely, to find a theory of nature. We have theories of races and of functions, but scarcely…"

"[A]greement with observed facts" never singles out one individual theory. There is never only one theory that is in c…"

"[F]inding the T.O.E. would in no way mean that psychology, biology, geology, chemistry, or even physics had been solv…"

"We are all, in our own way, seekers of the truth... each generation stands firmly on the shoulders of the previous...…"

"The clearest expression of this modern "religious" mission can be recognized wherever one encounters the ancient Pyth…"

"Ever since Newton, and especially since Einstein, the goal of physics has been to find simple mathematical principles…"

"Any concepts or words which have been formed in the past through the interplay between the world and ourselves are no…"

"The ideal theory of everything, in the minds of physicists... is a mathematical system of uncommon tidiness and rigor…"

"If all you have is a hammer, everything looks like a nail."