Chess is the gymnasium of the mind.

The present is never the mark of our designs. We use both past and present as our means and instruments, but the future only as our object and aim.

All sorrow has its root in man's inability to sit quiet in a room by himself.

I can approve of those only who seek in tears for happiness.

Man finds nothing so intolerable as to be in a state of complete rest, without passions, without occupation, without diversion, without effort. Then he feels his nullity, loneliness, inadequacy, dependence, helplessness, emptiness.

If we do not know ourselves to be full of pride, ambition, lust, weakness, misery, and injustice, we are indeed blind. And if, knowing this, we do not desire deliverance, what can we say of a man...?

Atheism shows strength of mind, but only to a certain degree.