A gentleman is not disturbed by anything

Music imitates (represents) the passions or states of the soul, such as gentleness, anger, courage, temperance, and their opposites.

A friend of everyone is a friend of no one

Neither by nature, then, nor contrary to nature do the virtues arise in us; rather we are adapted by nature to receive them, and are made perfect by habit.

Of the tyrant, spies and informers are the principal instruments. War is his favorite occupation, for the sake of engrossing the attention of the people, and making himself necessary to them as their leader.

It is also in the interests of a tyrant to make his subjects poo...the people are so occupied with their daily tasks that they have no time for plotting.

A person's life persuades better than his word.