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.

You have to accustom yourself to practical study at home, you have to devote time to studies, to the history of chess, the development of chess theory, of chess culture.

Memorization of variations could be even worse than playing in a tournament without looking in the books at all.

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

In short, we can see Karpov as an exploiter of other people’s ideas. His ability to use these ideas is not at issue, but he himself is about as fertile as a woman who has been sterilized is.

Yes, I have played a blitz game once. It was on a train, in 1929.

I claim that nothing else is so effective in encouraging the growth of chess strength as such independent analysis, both of the games of the great players and your own.