The essence of Chess is thinking about what Chess is.

If you have made a mistake or committed an inaccuracy there is no need to become annoyed and to think that everything is lost. You have to reorientate yourself quickly and find a new plan in the new situation.

But whatever you might say and whatever I might say, a machine which can play chess with people is one of the most marvellous wonders of our 20th century!

Two passed pawns advancing on the enemy pieces have brought me more than a dozen points in tournaments.

Theory regards this opening as incorrect, but it is impossible to agree with this. Out of the five tournament games played by me with the King's Gambit, I have won all five.

A strong player requires only a few minutes of thought to get to the heart of the conflict. You see a solution immediately, and half an hour later merely convince yourself that your intuition has not deceived you.

Chess is imagination.