Nothing is worse than active ignorance.
Self knowledge is best learned not by contemplation, but by action.
It is working within limits that the craftsman reveals himself.
To be active is the primary vocation of man.
People will allow their faults to be shown them; they will let themselves be punished for them; they will patiently endure many things because of them; they only become impatient when they have to lay them aside.
A school of art or of anything else is to be looked on as a single individual, who keeps talking to himself for a hundred years, and feels an extreme satisfaction with his own circle of favorite ideas, be they ever so silly.