If (Black) is going for victory, he is practically forced to allow his opponent to get some kind of well-known positional advantage.
Mikhail TalLater, I began to succeed in decisive games. Perhaps because I realized a very simple truth: not only was I worried, but also my opponent
Mikhail TalWhen I asked Fischer why he had not played a certain move in our game, he replied: 'Well, you laughed when I wrote it down!'
Mikhail Tal