A tragedy is a representation of an action that is whole and complete and of a certain magnitude. A whole is what has a beginning and middle and end.

For example, justice is considered to mean equality, It does mean equality- but equality for those who are equal, and not for all.

One cannot say of something that it is and that it is not in the same respect at the same time.

Doubt is the beginning of wisdom

It is clear, then, that wisdom is knowledge having to do with certain principles and causes. But now, since it is this knowledge that we are seeking, we must consider the following point: of what kind of principles and of what kind of causes is wisdom the knowledge?

Anybody can get hit over the head.

Courage is a mean with regard to fear and confidence.