Success tends to go not to the person who is error-free, because he also tends to be risk-averse. Rather it goes to the person who recognizes that life is pretty much a percentage business. It isn't making mistakes that's critical; it's correcting them and getting on with the principal task.
Donald RumsfeldYour performance depends on your people. Select the best, train them and back them. When errors occur, give sharper guidance. If errors persist or if the fit feels wrong, help them move on. The country cannot afford amateur hour in the White House.
Donald Rumsfeld