Madness, provided it comes as the gift of heaven, is the channel by which we receive the greatest blessings... the men of old who gave things their names saw no disgrace or reproach in madness; otherwise they would not have connected it with the name of the noblest of arts, the art of discerning the future, and called it the manic art... So, according to the evidence provided by our ancestors, madness is a nobler thing than sober sense... madness comes from God, whereas sober sense is merely human.

Everywhere there is one principle of justice, which is the interest of the stronger.

Access to power must be confined to those who are not in love with it.

To be at once exceedingly wealthy and good is impossible.

I can show you that the art of calculation has to do with odd and even numbers in their numerical relations to themselves and to each other.

The gods' service is tolerable, man's intolerable.

It is our duty to select the best and most dependable theory that human intelligence can supply, and use it as a raft to ride the seas of life.