In mathematics, if I find a new approach to a problem, another mathematician might claim that he has a better, more elegant solution. In chess, if anybody claims he is better than I, I can checkmate him.

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

An advantage could consist not only in a single important advantage but also in a multitude of insignificant advantages.

On the chessboard, lies and hypocrisy do not survive long

Without error, there is no brilliancy.

In mathematics, if I find a new approach to a problem, another mathematician might claim that he has a better, more elegant solution. In chess, if anybody claims he is better than I, I can checkmate him.

The laws of chess do not permit a free choice: you have to move whether you like it or not.