But to me all sciences seem vain and full of error that are not born of experience, mother of all certainty, and do not terminate in an actual experience.

There are many kinds of beauty as people who possess it.

The desire to know is natural to good men.

Everything comes from everything, and everything is made out of everything, and everything returns into everything.

Patience serves us against insults precisely as clothes do against the cold. For if you multiply your garments as the cold increases, that cold cannot hurt you; in the same way increase your patience under great offenses, and they cannot hurt your feelings.

He who truly knows has no occasion to shout.

The light and heat of the universe comes from the sun, and its cold and darkness from the withdrawal of the sun.