I have added these principles to the law: get the Knights into action before both Bishops are developed

Without error, there is no brilliancy.

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.

Chess is, above all, a fight.

Education in Chess has to be an education in independent thinking and judging. Chess must not be memorized.

The intelligent perusal of fine games cannot fail to make the reader a better player and a better judge of the play of others.

Having spent 200 hours on the above, the young player, even if he possesses no special talent for chess, is likely to be among those two or three thousand chessplayers [who play on a par with a master]. There are, however, a quarter of a million chessplayers who annually spend no fewer than 200 hours on chess without making any progress. Without going into any further calculations, I can assert with a high degree of certainty that nowadays we achieve only a fraction of what we are capable of achieving.