Men are much oftener thrown on their knees by the melancholy than by the agreeable passions.

Nothing is pure and entire of a piece. All advantages are attended with disadvantages. A universal compensation prevails in all conditions of being and existence.

No truth appears to me more evident than that beasts are endowed with thought and reason as well as men.

One would appear ridiculous who would say, that it is only probable the sun will rise to-morrow, or that all men must die; thoughit is plain we have no further assurance of these facts than what experience affords us.

In a vain man, the smallest spark may kindle into the greatest flame, because the materials are always prepared for it.

The mind is a kind of theater, where several perceptions successively make their appearence; pass, re-pass, glide away, and mingle in an infinite variety of postures and situations.

Be a philosopher but, amid all your philosophy be still a man.