Peace is not the absence of war, but a virtue based on strength of character.

He who lives according to the guidance of reason strives as much as possible to repay the hatred, anger, or contempt of others towards himself with love or generosity. ...hatred is increased by reciprocal hatred, and, on the other hand, can be extinguished by love, so that hatred passes into love.

He who regulates everything by laws, is more likely to arouse vices than reform them.

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.

Only that thing is free which exists by the necessities of its own nature, and is determined in its actions by itself alone.

God is the indwelling and not the transient cause of all things.

The highest endeavor of the mind, and the highest virtue, it to understand things by intuition.