No evil can happen to a good man either in life or after death.

One man cannot practice many arts with success.

Whence comes war and fighting, and factions? Whence but from the body and the lust of the body? Wars are occasioned by the love of money, and money has to be acquired for the same and service of the body.

The whole life of the philosopher is a preparation for death.

Man's music is seen as a means of restoring the soul, as well as confused and discordant bodily afflictions, to the harmonic proportions that it shares with the world soul of the cosmos.

Experience proves that anyone who has studied geometry is infinitely quicker to grasp difficult subjects than one who has not.

Any peace is better than any war