Only the soldier is a free man, because he can look death in the face.

Intellect--brain force.

Many a smiling face hides a mourning heart; but grief alone teaches us what we are.

I know that we often tremble at an empty terror; yet the false fancy brings a real misery.

Truth suffers no loss if a vehement youth fails in finding it, in the same way that virtue and religion suffer no detriment if a criminal denies them.

Rarely do we arrive at the summit of truth without running into extremes; we have frequently to exhaust the part of error, and even of folly, before we work our way up to the noble goal of tranquil wisdom.

Opposition always inflames the enthusiast, never converts him.