Good humor is a philosophic state of mind; it seems to say to nature that we take her no more seriously than she takes us.

Forgetfulness, and I would even say historical error, are essential in the creation of a nation.

No idea can succeed except at the expense of sacrifice; no one ever escapes without enduring strain from the struggle of life.

A grain of sand leads to the fall of a mountain when the moment has come for the mountain to fall.

It is through Christianity that Judaism has really conquered the world. Christianity is the masterpiece of Judaism.

The liberty of the individual is a necessary postulate of human progress.

Let us remember that sorrow alone is the creator of great things.