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.

Be the flame, not the moth.

I always made my food congenial to my constitution, and my health was always excellent.

Nobody can deprive me of the fact that I had a good time.

Heart and head are the constituent parts of character; temperament has almost nothing to do with it, and, therefore, character is dependent upon education, and is susceptible of being corrected and improved.

The man who has sufficient power over himself to wait until his nature has recovered its even balance is the truly wise man, but such beings are seldom met with.

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