When my opponent's clock is going I discuss general considerations in an internal dialogue with myself. When my own clock is going I analyse conctrete variations.

The boy (then a 12 year old boy named Anatoly Karpov)doesn't have a clue about Chess, and there's no future at all for him in this profession

When my opponent's clock is going I discuss general considerations in an internal dialogue with myself. When my own clock is going I analyse conctrete variations.

A knight ending is really a pawn ending.

Along with my retirement from chess analytical work seems to have gone too.

I only think well when my mind is calm.

If Tal sacrifices a piece, take it. If Petrosian sacrifices a piece, don't take it.