Great revolutions are the work rather of principles than of bayonets, and are achieved first in the moral, and afterwards in the material sphere.

Each of us brings with him an element, more or less important, of the life of humanity to come.

Preach in the name of God. The learned will smile; ask the learned what they have done for their country. The priests will excommunicate you . . .

Slumber not in the tents of your fathers. The world is advancing.

The religion of humanity is love.

Nations, like individuals, live and die; but civilization cannot die.

Music is the harmonious voice of creation; an echo of the invisible world.