Most observers of the French Revolution, especially the clever and noble ones, have explained it as a life-threatening and contagious illness. They have remained standing with the symptoms and have interpreted these in manifold and contrary ways. Some have regarded it as a merely local ill. The most ingenious opponents have pressed for castration. They well noticed that this alleged illness is nothing other than the crisis of beginning puberty.

When one begins to reflect on philosophy—then philosophy seems to us to be everything, like God, and love. It is a mystical, highly potent, penetrating idea—which ceaselessly drives us inward in all directions. The decision to do philosophy—to seek philosophy is the act of self-liberation—the thrust toward ourselves.

Friendship, love, and piety ought to be handled with a sort of mysterious secrecy; they ought to be spoken of only in the rare moments of perfect confidence, to be mutually understood in silence. Many things are too delicate to be thought; many more, to be spoken.

To know a truth well, one must have fought it out.

Learning is pleasurable but doing is the height of enjoyment.

Every disease is a musical problem; every cure is a musical solution.

One can not understand language because language cannot understand itself; does not want to understand