Art is identical with a state of capacity to make, involving a true course of reasoning.

We are better able to study our neighbours than ourselves, and their actions than our own.

Those that know, do. Those that understand, teach.

It will contribute towards one's object, who wishes to acquire a facility in the gaining of knowledge, to doubt judiciously.

Quality is not an act, it is a habit.

It is easy to perform a good action, but not easy to acquire a settled habit of performing such actions.

Humor is the only test of gravity, and gravity of humor; for a subject which will not bear raillery is suspicious, and a jest which will not bear serious examination is false wit.