No one is free who has not obtained the empire of himself.

Begin thus from the first act, and proceed; and, in conclusion, at the ill which thou hast done, be troubled, and rejoice for the good.

Declining from the public ways, walk in unfrequented paths.

He who knoweth not what he ought to know, is a brute beast among men; he that knoweth no more than he hath need of, is a man among brute beasts; and he that knoweth all that may be known, is as a God among men.

It is only necessary to make war with five things; with the maladies of the body, the ignorances of the mind, with the passions of the body, with the seditions of the city and the discords of families.

You should make great things, not promising great things.

Concern should drive us into action and not into a depression. No man is free who cannot control himself.