As a matter of self-preservation, a man needs good friends or ardent enemies, for the former instruct him and the latter take him to task.
In a rich man's house there is no place to spit but his face.
Wise leaders generally have wise counselors because it takes a wise person themselves to distinguish them.
Even if I am but a pretender to wisdom, that in itself is philosophy.
The art of being a slave is to rule one's master.
If your cloak was a gift, I appreciate it; if it was a loan, I'm not through with it yet.