One must be a god to be able to tell successes from failures without making a mistake.

But who prays for Satan? Who, in eighteencenturies, has had the common humanity to pray for the one sinner that needed it most?（From Jane Lampton Clemens）

"The photograph is just the starting point. The painting is something else entirely."

I would not dare to say that there is a direct relation between mathematics and madness, but there is no doubt that great mathematicians suffer from maniacal characteristics.

我一直认为学校里那些有点麻烦的男孩，往往是将来能做出真正有趣事情的人。