My brain is open.

Finally I'm becoming stupider no more.

When Euler died, he simply said I am finished and collapsed, to which someone in the audience muttered darkly” Another conjecture of Euler is proved.

Before, when I looked at a piece of blank paper my mind was filled with ideas. Now all I see is a blank piece of paper.

When I was a child, the Earth was said to be two billion years old. Now scientists say it’s four and a half billion. So that makes me two and a half billion.

I know numbers are beautiful. If they aren’t beautiful, nothing is.

You don’t have to believe in God, but you should believe in The Book.

I’ll tell you once, and I’ll tell you again. There’s always a prime between n and 2n.

There’ll be plenty of time to rest in the grave.

It will be another million years, at least, before we understand the primes.