That energy which makes a child hard to manage is the energy which afterwards makes him a manager of life.
— Henry Ward Beecher
As a manager, you have to accept the fact that people will make mistakes, but not intentionally, and that mistakes are the price of learning and self-sufficiency.
— Jason Fried
I say get an education. Become an electrician, a mechanic, a doctor, a lawyer, anything but a fighter. In this trade, it's the managers that make the money and last the longest.