Ambition is the immoderate desire for honor.

Hatred is increased by being reciprocated, and can on the other hand be destroyed by love.

Let unswerving integrity be your watchword.

The greatest pride, or the greatest despondency, is the greatest ignorance of one's self.

I saw that all things I feared, and which feared me, had nothing good or bad in them save insofar as the mind was affected by them.

As though God had turned away from the wise, and written his decrees, not in the mind of man but in the entrails of beasts, or left them to be proclaimed by the inspiration and instinct of fools, madmen, and birds. Such is the unreason to which terror can drive mankind!

Many errors, of a truth, consist merely in the application of the wrong names of things. For if a man says that the lines which are drawn from the centre of the circle to the circumference are not equal, he understands by the circle, at all events for the time, something else than mathematicians understand by it.