...the sole thing of which any man can be deprived is the present; since this is all he owns, and nobody can lose what is not his.

Nothing that goes on in anyone else's mind can harm you.

An angry look on the face is wholly against nature. If it be assumed frequently, beauty begins to perish, and in the end is quenched beyond rekindling.

I have often wondered how it is that every man loves himself more than all the rest of men, but yet sets less value on his own opinions of himself than on the opinions of others.

Thou art a little soul bearing about a corpse.

He who lives in harmony with himself lives in harmony with the universe.

In the same degree in which a man's mind is nearer to freedom from all passion, in the same degree also is it nearer to strength.