Robert A. Heinlein Quotes, Quotations, and Sayings

20 Famous Quotes by Robert A. Heinlein
[1-20] 
“A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.”
Competence Quotes
“Sex without love is merely healthy exercise.”
Dating Quotes
“Progress isn't made by early risers. It's made by lazy men trying to find easier ways to do something.”
Efficiency Quotes
“One of the sanest, surest, and most generous joys of life comes from being happy over the good fortune of others.”
Fortune Quotes
“It is a truism that almost any sect, cult, or religion will legislate its creeds into law if it acquires the political power to do so, and will follow it by suppressing opposition, subverting all education to seize early the minds of the young, and by killing, locking up, or driving underground all heretics.”
Heresy Quotes
“Never insult anyone by accident.”
Insults Quotes
“The supreme irony of life is that hardly anyone gets out of it alive.”
Irony Quotes
“A competent and self-confident person is incapable of jealousy in anything. Jealousy is invariably a symptom of neurotic insecurity.”
Jealousy Quotes
“One of the sanest, surest, and most generous joys of life comes from being happy over the good fortune of others.”
Joy Quotes
“Why is it that every time I'm with you, makes me believe in magic?”
Magic Quotes
“An armed society is a polite society. Manners are good when one may have to back up his acts with his life.”
Manners Quotes
“An armed society is a polite society. Manners are good when one may have to back up his acts with his life.”
Politeness Quotes
“For me, politeness is a sine qua non of civilization.”
Politeness Quotes
“Theology is never any help; it is searching in a dark cellar at midnight for a black cat that isn't there. Theologians can persuade themselves of anything.”
Theology Quotes
“Anyone who clings to the historically untrue -- and -- thoroughly immoral doctrine that violence never solves anything I would advise to conjure up the ghosts of Napoleon Bonaparte and the Duke of Wellington and let them debate it. The ghost of Hitler would referee. Violence, naked force, has settled more issues in history than has any other factor; and the contrary opinion is wishful thinking at its worst. Breeds that forget this basic truth have always paid for it with their lives and their freedoms.”
Violence Quotes
“An armed society is a polite society. Manners are good when one may have to back up his acts with his life. - Beyond the Horizon, 1942.”
Politics / government Quotes
“There ain't no such thing as a free lunch." A Libertarian Movement slogan - The Moon Is a Harsh Mistress, 1907.”
Finance and economics Quotes
“You live and you learn -- or you don't live long.”
Life Quotes
“Theology is never any help; it is searching in a dark cellar at midnight for a black cat that isn't there. Theologians can persuade themselves of anything.”
Religion / beliefs Quotes
“A long and wicked life followed by five minutes of perfect grace gets you into Heaven. An equally long life of decent living and good works followed by one outburst of taking the name of the Lord in vain—then have a heart attack at that moment and be damned for eternity. Is that the system?”
Miscellaneous Quotes