Steinitz was a thinker worthy of a seat in the halls of a university. A player, as the world believed he was, he was not; his studious temperament made that impossible; and thus he was conquered by a player and in the end little valued by the world, he died.

By positional play a master tries to prove and exploit true values, whereas by combinations he seeks to refute false values ... A combination produces an unexpected re-assessment of values.

He who has a slight disadvantage plays more attentively, inventively and more boldly than his antagonist who either takes it easy or aspires after too much. Thus a slight disadvantage is very frequently seen to convert into a good, solid advantage.

Without error there can be no brilliancy

Show me three lines of the opening theory moves and I will prove to you that two of them are incorrect.

The hardest game to win is a won game

Chess is, above all, a fight.