I ... have two vocations: chess and engineering. If I played chess only, I believe that my success would not have been significantly greater. I can play chess well only when I have fully convalesced from chess and when the 'hunger for chess' once more awakens within me.

Chess is a part of culture and if a culture is declining then Chess too will decline

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

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.

Chess mastery essentially consists of analyzing Chess positions accurately

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

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