Nothing is more conducive to peace of mind than not having any opinions at all.
When your work speaks for itself, don't interrupt.
It is easier to exclude harmful passions than to rule them, and to deny them admittance than to control them after they have been admitted.
The true mystery of the world is the visible, not the invisible.
Vegetarianism is harmless enough, though it is apt to fill a man with wind and self-righteousness.
A chess genius is a human being who focuses vast, little-understood mental gifts and labors on an ultimately trivial human enterprise.
We are always in search of the redeeming formula, the crystallizing thought.