Life is a toy made of glass; it appears to be of inestimable price, but in reality it is very cheap.

Perfumed and gallant words make our ears belch.

The art of war is like the art of the courtesan; indeed they might be called sisters, since both are slaves of desperation.

Perugia is my true fatherland because there I grew to manhood.

Nature without exercise is a seed shut up in a pod, and art without practice is nothing.

Angry men are blind and foolish, for reason at such time takes flight and, in her absence; wrath plunders all the riches of the intellect, while the judgment remains the prisoner of its own pride.

Anger represents a certain power, when a great mind, prevented from executing its own generous desires, is moved by it.