A human being should be able to change a diaper, plan an invasion, design buildings, butcher a hog, conn a ship, balance accounts, build a wall, set a bone, comfort the dying, write essays, take orders, give orders, cooperate, act alone, analyze a new problem, start a startup, solve equations, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly.Specialization is for insects.- Robert A. Heinlein once said.