Freedom is obedience to self-formulated rules.

...we are all inclined to ... direct our inquiry not by the matter itself, but by the views of our opponents; and, even when interrogating oneself, one pushes the inquiry only to the point at which one can no longer offer any opposition. Hence a good inquirer will be one who is ready in bringing forward the objections proper to the genus, and that he will be when he has gained an understanding of the differences.

Young people are in a condition like permanent intoxication, because life is sweet and they are growing.

The best friend is he that, when he wishes a person's good, wishes it for that person's own sake.

Comedy has had no history, because it was not at first treated seriously.

Again, it is possible to fail in many ways (for evil belongs to the class of the unlimited and good to that of the limited), while to succeed is possible only in one way (for which reason also one is easy and the other difficult—to miss the mark easy, to hit it difficult); for these reasons also, then, excess and defect are characteristic of vice, and the mean of virtue; For men are good in but one way, but bad in many.

A bad man can do a million times more harm than a beast.