There are three signs of senility. The first sign is that a man forgets his theorems. The second sign is that he forgets to zip up. The third sign is that he forgets to zip down.

Végre nem butulok tovább (I've finally stopped getting dumber).

Mathematics is not yet ready for such problems.

Finally I am becoming stupider no more.

The SF [Supreme Fascist, i.e. God] created us to enjoy our suffering. The sooner we die, the sooner we defy His plans.

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

God has the Big Book, the beautiful proofs of mathematical theorems are listed here.