To have common glories in the past, a common will in the present; to have done great things together, to will to do the like again, — such are the essential conditions for the making of a people.

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

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

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

To conceive the good, in fact, is not sufficient; it must be made to succeed among men. To accomplish this less pure paths must be followed.

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.

The simplest schoolboy is now familiar with truths for which Archimedes would have sacrificed his life.