It is said that an ounce of common sense can outweigh a ton of 'variations'.

In chess, there is only one mistake: over-estimation of your opponent. All else is either bad luck or weakness.

The winner is the one who makes the next-to-last mistake.

I never defeated a healthy opponent.

As for me, I am unfortunate enough not to posses a happy temperament like Najdorf, who views every happening in a rosy light and avoids any possibility of self-criticism. I am one of those unlucky skeptics who never overlook the dark side of even the happiest experience.

A game is always won through a mistake.

Some part of a mistake is always correct