A physician is not angry at the intemperance of a mad patient, nor does he take it ill to be railed at by a man in fever. Just so should a wise man treat all mankind, as a physician does his patient, and look upon them only as sick and extravagant.

There is nothing more despicable than an old man who has no other proof than his age to offer of his having lived long in the world.

If we desire to judge justly, we must persuade ourselves that none of us is without sin.

On entering a temple we assume all signs of reverence. How much more reverent then should we be before the heavenly bodies, the stars, the very nature of God!

Truth will never be tedious unto him that travelleth in the secrets of nature; there is nothing but falsehood that glutteth us.

The most onerous slavery is to be a slave to oneself.

Death: There's nothing bad about it at all except the thing that comes before it-the fear of it.