He who does not prevent a crime, when he can, encourages it.
My joy in learning is partly that it enables me to teach.
While we teach, we learn.
Behold a contest worthy of a god, a brave man matched in conflict with adversity.
Bear in mind that you commit a crime by injuring even a wicked brother.
The state of that man's mind who feels too intense an interest as to future events, must be most deplorable.