The married should not forget that to speak of love begets love.

(Man,) the glory and the scandal of the universe.

To scorn philosophy is truly to philosophize.

The state of man is inconstancy, ennui, anxiety.

All the unhappiness of men arises from one single fact, that they cannot stay quietly in their own chamber.

According to the doctrine of chance, you ought to put yourself to the trouble of searching for the truth; for if you die without worshiping the True Cause, you are lost. "But," say you, "if He had wished me to worship Him, He would have left me signs of His will." He has done so; but you neglect them. Seek them, therefore; it is well worth it.

What part of us feels pleasure? Is it our hand, our arm, our flesh, or our blood? It must obviously be something immaterial.