All lines of play which lead to the imprisonment of the bishop are on principle to be condemned.
One doesn't have to play well, it's enough to play better than your opponent
I have always a slight feeling of pity for the man who has no knowledge of chess, just as I would pity the man who has remained ignorant of love.
It is not enough to be a good player... you must also play well
Every move creates a weakness.
Intellectual activity is perhaps the greatest pleasure of life; chess is one of the forms of intellectual activity.