I learned very early that our health is always impaired by some excess either of food or abstinence, and I never had any physician except myself.

It is only necessary to have courage, for strength without self-confidence is useless.

Beauty without wit offers nothing but the enjoyment of its material charms, whilst witty ugliness captivates by the charms of the mind, and at last fulfils all the desires of the man it has captivated.

Praise the beautiful for their intelligence and the intelligent for their beauty.

I often had no scruples about deceiving nitwits and scoundrels and fools when I found it necessary. ...We avenge intelligence when we deceive a fool, and... deceiving a fool is an exploit worthy of an intelligent man. What has infused my very blood with an unconquerable hatred of the whole tribe of fools from the day of my birth is that I become a fool myself when I am in their company.

I know that I have lived because I have felt, and, feeling giving me the knowledge of my existence.

We avenge intellect when we dupe a fool, and it is a victory not to be despised for a fool is covered with steel and it is often very hard to find his vulnerable part.