A handy short definition of almost all science fiction might read: realistic speculation about possible future events, based solidly on adequate knowledge of the real world, past and present, and on a thorough understanding of the nature and significance of the scientific method.
Robert A. HeinleinYou can sway a thousand men by appealing to their prejudices quicker than you can convince one man by logic.
Robert A. HeinleinFirst you must learn to control your self. The rest follows. Blessed is he who knows himself and commands himself, for the world is his and love and happiness and peace walk with him wherever he goes.
Robert A. HeinleinNo matter what I said they insisted on thinking of God as something outside themselves. Something that yearns to take every indolent moron to His breast and comfort him. The notion that the effort has to be their own . . . and that the trouble they are in is all their own doing . . . is one that they can't or won't entertain.
Robert A. HeinleinI never do anything I don't want to do. Nor does anyone, but in my case I am always aware of it.
Robert A. HeinleinGratitude: An imaginary emotion that rewards an imaginary behavior, altruism. Both imaginaries are false faces for selfishness, which is a real and honest emotion.
Robert A. HeinleinA critic is a man who creates nothing and thereby feels qualified to judge the work of creative men. There is logic in this; he is unbiased, he hates all creative people equally.
Robert A. HeinleinThere is an old, old story about a theologian who was asked to reconcile the Doctrine of Divine Mercy with the doctrine of infant damnation. 'The Almighty,' he explained, 'finds it necessary to do things in His official and public capacity which in His private and personal capacity He deplores.
Robert A. HeinleinNever pick up a stray kitten . . . unless you've already made up your mind to be owned by it.
Robert A. HeinleinIf we blow ourselves up we will do it by misapplication of science; if we manage to keep from blowing ourselves up, it will be through intelligent application of science.
Robert A. HeinleinThe hardest part of gaining any new idea is sweeping out the false idea occupying that niche.
Robert A. HeinleinBut if you didn't have more urgent things to do after supper [in boot camp], you could write a letter, loaf, gossip, discuss the myriad mental shortcomings of sergeants and, dearest of all, talk about the female of the species (we became convinced that there was no such creatures, just mythology created by inflamed imaginations - one boy in our company claimed to have seen a girl, over at regimental headquarters; he was unanimously judged a liar and a braggart).
Robert A. HeinleinWhen it donโt rain, the roof donโt leak; when it rains, I canโt fix it nohow.
Robert A. HeinleinI am not going to talk about religious beliefs, but about matters so obvious that it has gone out of style to mention them.
Robert A. HeinleinLogic is a feeble reed, friend. "Logic" proved that airplanes can't fly and that H-bombs won't work and that stones don't fall out of the sky. Logic is a way of saying that anything which didn't happen yesterday won't happen tomorrow.
Robert A. HeinleinTouch is the most fundamental sense. A baby experiences it, all over, before he is born and long before he learns to use sight, hearing, or taste, and no human ever ceases to need it. Keep your children short on pocket money but long on hugs
Robert A. HeinleinHe should have known better because, early in his learnings under his brother Mahmoud, he had discovered that long human words (the longer the better) were easy, unmistakable, and rarely changed their meanings, but short words were slippery, unpredictable changing their meanings without any pattern. Or so he seemed to grok. Short human words were never like a short Martian word - such as grok which forever meant exactly the same thing. Short human words were like trying to lift water with a knife. And this had been a very short word.
Robert A. HeinleinA well regulated Militia, being necessary to the security of a free State, the right of the people to keep and bear arms, shall not be infringed. - Second Amendment to the Constitution An armed society is a polite society.
Robert A. HeinleinAny group is weaker than a man alone unless they are perfectly trained to work together.
Robert A. HeinleinThe way to find justice is to deal fairly with other people and not worry about how they deal with you.
Robert A. HeinleinEvery time we killed a thousand Bugs at a cost of one M.I. it was a net victory for the Bugs. We were learning, expensively, just how efficient a total communism can be when used by a people actually adapted to it by evolution; the Bug commisars didn't care any more about expending soldiers than we cared about expending ammo. Perhaps we could have figured this out about the Bugs by noting the grief the Chinese Hegemony gave the Russo-Anglo-American Alliance; however the trouble with 'lessons from history' is that we usually read them best after falling flat on our chins.
Robert A. HeinleinAlmost everything about a human creature is ridiculous, except its ability to suffer bravely and die gallantly for whatever it loves and believes in. The validity of that belief, the appropriateness of that love, is irrelevant; it is the bravery and the gallantry that count.
Robert A. HeinleinPatriotism is not 'my country right or wrong'; patriotism means loving the ideals for which America stands and having the courage to speak up when these ideals are distorted for personal or political gain. The American government was instituted to be the servant of the people, not our master.
Robert A. HeinleinThe lessons of history teach us - if the lessons of history teach us anything - that nobody learns the lessons that history teaches us.
Robert A. HeinleinSin lies only in hurting others unnecessarily. All other "sins" are invented nonsense.
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. HeinleinThe most expensive thing in the world is a second-best military establishment, good but not good enough to win.
Robert A. HeinleinI believe that almost all politicians are honest. For every bribed alderman there are hundreds of politicians, low paid or not paid at all, doing their level best without thanks or glory to make our system work. If this were not true, we would never have gotten past the thirteen colonies.
Robert A. Heinlein