Above all else, before playing in competitions a player must have regard to his health, for if he is suffering from ill-health he cannot hope for success. In this connection the best of all tonics is 15 to 20 days in the fresh air, in the country.

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.

If you are going to make your mark among masters, you have to work far harder and more intensively, or, to put it more exactly, the work is far more complex than that needed to gain the title of Master.

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

Capablanca's phenomenal move-searching algorithm in those early years, when he possessed a wonderful ability for calculating variations very rapidly, made him invincible.

Chess cannot be taught. Chess can only be learned.

Before Geller we did not understand the King's Indian Defence.