The basic of all morality is duty, a concept with the same relation to group that self-interest has to individual.
Robert A. HeinleinThe nice thing about citing god as an authority is that you can prove anything you set out to prove.
Robert A. HeinleinRemember this: once the human race is established on more than one planet and especially, in more than one solar system, there is no way now imaginable to kill off the human race.
Robert A. HeinleinYou have to give an editor something to change, or he gets fretful. After he pees in it, he likes the flavor better, so he buys it.
Robert A. HeinleinThe police of a state should never be stronger or better armed than the citizenry. An armed citizenry, willing to fight, is the foundation of civil freedom. That's a personal evaluation, of course.
Robert A. HeinleinA 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, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.
Robert A. Heinlein