It is profound philosophy to sound the depths of feeling and distinguish traits of character. Men must be studied as deeply as books.
Few are the friends of a mans self, most those of his circumstances.
There is no need to show your ability before everyone.
The best remedy for disturbances is to let them run their course, for so they quiet down.
Friends provoked become the bitterest of enemies.
It is therefore an excellent device to acquire knowledge from everybody.