所有有思想的人都是无神论者。
All thinking men are atheists.
The value of art is not in its technique, but in its truth.
A mathematician is a person who can find analogies between theorems; a better mathematician is one who can see analogies between theories and the best mathematician can notice analogies between analogies.
The great secret that all old people share is that you really haven't changed in seventy or eighty years. Your body changes, but you don't change at all.