The two great dividers are religion and LANGUAGE

Without man and his potential for moral progress, the whole of reality would be a mere wilderness, a thing in vain, and have no final purpose.

The more we come in contact with animals and observe their behaviour, the more we love them, for we see how great is their care of the young.

A man who has tasted with profound enjoyment the pleasure of agreeable society will eat with a greater appetite than he who rode horseback for two hours. An amusing lecture is as useful for health as the exercise of the body.

I feel a complete thirst for knowledge and an eager unrest to go further in it as well as satisfaction at every acquisition. There was a time when I believed that this alone could constitute the honor of mankind, and I had contempt for the ignorant rabble who know nothing.

God, freedom, and immortality are untenable in the light of pure reason.

Honesty is better than any policy.