Any man can shoot a gun, and with practice he can draw fast and shoot accurately, but that makes no difference. What counts is how you stand up when somebody is shooting back at you.
No other job in the world could possibly dispossess one so completely as this job of teaching. You could stand all day in a laundry, for instance, still in possession of your mind. But this teaching utterly obliterates you. It cuts right into your being: essentially, it takes over your spirit.
There can be to the ownership of anything no rightful title which is not derived from the title of the producer and does not rest upon the natural right of the man to himself.