There is nothing more difficult to take in hand, more perilous to conduct, or more uncertain in its success, than to take the lead in the introduction of a new order of things.
When you meet someone better than yourself, turn your thoughts to becoming his equal. When you meet someone not as good as you are, look within and examine your own self.
The mentor can be identified by four things: by restraining you from wrongdoing, guiding you towards good actions, telling you what you ought to know, and showing you the path to heaven.