Als g’u kunt verbeteren, moet ge dat doen.

If they had told me it was going to be fifteen years, would it have been easier to endure?

Mathematics requires a small dose, not of genius, but of an imaginative freedom which, in a larger dose, would be insanity.

De voetbalbond is als een oude vrouw die ervan droomt om misbruikt te worden.

Proof is the idol before whom the pure mathematician tortures himself.