My aim is to agitate and disturb people. I'm not selling bread; I'm selling yeast.

Only in solitude do we find ourselves; and in finding ourselves, we find in ourselves all our brothers in solitude.

To fall into a habit is to begin to cease to be.

We should try to be the parents of our future rather than the offspring of our past.

Life is doubt, and faith without doubt is nothing but death.

Spiritual Love is born of sorrow. . . . For men love one another with spiritual love only when they have suffered the same sorrow together, when through long days they have ploughed the stony ground buried beneath the common yoke of a common grief. It is then that they know one another and feel one another and feel with one another in their common anguish, and so they pity one another and love one another.

Our life is a hope which is continually converting itself into memory and memory in its turn begets hope.