A draw can be obtained not only by repeating moves, but also by one weak move.
Lasker thought that his rationalism rendered him immune from the surprises of chess theory.
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.
All Chess players should have a hobby
It is said that an ounce of common sense can outweigh a ton of 'variations'.
The tactician must know what to do whenever something needs doing; the strategist must know what to do when nothing needs doing