No tyrant need fear till men begin to feel confident in each other.

No one who desires to become good will become good unless he does good things.

In most constitutional states the citizens rule and are ruled by turns, for the idea of a constitutional state implies that the natures of the citizens are equal, and do not differ at all.

In revolutions the occasions may be trifling but great interest are at stake.

When Pleasure is at the bar the jury is not impartial.

Emotions of any kind are produced by melody and rhythm; therefore by music a man becomes accustomed to feeling the right emotions; music has thus the power to form character, and the various kinds of music based on various modes may be distinguished by their effects on character.

Our account does not rob the mathematicians of their science... In point of fact they do not need the infinite and do not use it.