In Krylov subspace algorithms, the solution is just a sideproduct; the residuals are what’s important.

I love all positions. Give me a difficult positional game, I will play it. Give me a bad position, I will defend it. Openings, endgames, complicated positions, dull draws, I love them and I will do my very best. But totally won positions, I cannot stand them.

You’re just like an angel: your skin makes me cry.

The more sexy a number is, the more likely it is to get picked up and circulated. Unfortunately, the more sexy a number is, the more likely it is also to be false.

The generation of random numbers is too important to be left to chance.