I only think well when my mind is calm.

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

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

With opposite coloured bishops the attacking side has in effect an extra piece in the shape of his bishop.

It is a well known fact that almost all the outstanding chess-players have been first-class analysts.

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

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