The greatest genius will not be worth much if he pretends to draw exclusively from his own resources

How can we learn self-knowledge? Never by taking thought but rather by action. Try to do your duty and you'll soon discover what you're like.

People are so constituted that everybody would rather undertake what they see others do, whether they have an aptitude for it or not.

Everything which is properly business we must keep carefully separate from life. Business requires earnestness and method; life must have a freed handling.

Perseverance is a silent power that grows irresistibly greater with time.

Whatever necessity lays upon thee, endure; whatever she commands, do.

Time is my estate: to Time I'm heir.