On Being Human

A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, program a computer, cook a tasty meal, fight efficiently, die gallantly.   Specialization is for insects.
—    Robert Heinlein (American Science Fiction writer)
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