"Mankind censure injustice fearing that they may be the victims of it, and not because they shrink from committing it."

"When you admonish a wrongdoer, do so gently, that it may not lead to hostility."

"Knowledge becomes evil if the aim be not virtuous."

"Mankind will never see an end of trouble until lovers of wisdom come to hold political power, or the holders of power become lovers of wisdom."

"Think only of the ambition of men, and you will wonder at the senselessness of their ways, unless you consider how they are stirred by the love of an immortality of fame. They are ready to run all risks greater far than they would have run for their children, and to spend money and undergo any sort of toil, and even to die, for the sake of leaving behind them a name which shall be eternal."

"Love is a madness produced by an unclassifiable rational desire to understand the ultimate truth about the world."

"Self-conquest is the greatest of victories."

"Better a little which is well done, than a great deal imperfectly."

"I have a theory that you can make any sentence seem profound by writing the name of a dead philosopher at the end of it."

"Does not every man love that which he deems noble and just and good, and hate the opposite of them? people regard the same things, some as just and others as unjust, about these they dispute; and so there arise wars and fightings among them."