Stupidity cannot be cured. Stupidity is the only universal capital crime; the sentence is death. There is no appeal, and execution is carried out automatically and without pity.

A pacifist male is a contradiction in terms. Most self-described "pacifists" are not pacific; they simply assume false colors. When the wind changes, they hoist the Jolly Roger.

For the first time in four billion years a living creature had contemplated himself and heard with a sudden, unaccountable loneliness, the whisper of the wind in the night reeds.

A 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.

When you vote, you are exercising political authority, you're using force. And force, my friends, is violence. The supreme authority from which all other authorities are derived.

Faith strikes me as intellectual laziness, but I don't argue with it - especially as I am rarely in a position to prove that it is mistaken. Negative proof is usually impossible.

If it can't be expressed in figures, it is not science; it is opinion. It has long been known that one horse can run faster than another - but which one? Differences are crucial.

All human behavior, all human motivations, all man’s hopes and fears, were heavily colored and largely controlled by mankind’s tragic and oddly beautiful pattern of reproduction.

Remember 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.

Primitives of our own species, even today are historically shallow in their knowledge of the past. Only the poet who writes speaks his message across the millennia to other hearts.

Death is the lot of us all, and the only way that the human race has ever conquered death is by treating it with contempt. By living every golden minute as if one had all Eternity.

If we are to use our tools in the service of fitting in on Earth, our basic relationship to nature--even the story we tell ourselves about who we are in the universe--has to change.

It is a commonplace of all religious thought, even the most primitive, that the man seeking visions and insight must go apart from his fellows and love for a time in the wilderness.

It has been said repeatedly that one can never, try as he will, get around to the front of the universe. Man is destined to see only its far side, to realize nature only in retreat.

There is no such thing as 'social gambling.' Either you are there to cut the other bloke's heart out and eat it -- or you're a sucker. If you don't like this choice -- don't gamble.

The creature called man has a strange history. He is not of one piece, nor was he born of a single moment in time. His elementary substance is stardust almost as old as the universe.

It is possible that the percentage of honest and competent whores is higher than that of plumbers and much higher than that of lawyers. And enormously higher than that of professors.

Most women are damn fools and children. But they've got more range than we've got. The brave ones are braver, the good ones are better - and the vile ones are viler, for that matter.

Death is an old friend; I know him well. I lived with him, ate with him, slept with him; to meet him again does not frighten me death is as necessary as birth, as happy in its own way.

Under our system every voter and officeholder is a man who has demonstrated through voluntary and difficult service that he places the welfare of the group ahead of personal advantage.

Trees are good for contemplation. Plato and Aristotle did their best thinking in the groves of olives and figs around Athens, and Buddha found enlightenment beneath a bo or peepul tree.

It is not always the magnitude of the differences observed between species that must determine specific distinctions, but the constant preservation of those differences in reproduction.

The Ten Commandments are for lame brains. The first five are solely for the benefit of the priests and the powers that be; the second five are half truths, neither complete nor adequate.

The moral difference between a soldier and a civilian is that the soldier accepts personal responsibility for the safety of the body politic of which he is a member. The civilian does not.

Democracy is a poor system of government at best; the only thing that can honestly be said in its favor is that it is eight times as good as any other method the human race has ever tried.

I think that science fiction has a distinct therapeutic value because all of it has as its primary postulate that the world does change. I cannot overemphasize the importance of that idea.

We are one of many appearances of the thing called Life; we are not its perfect image, for it has no perfect image except Life, and life is multitudinous and emergent in the stream of time.

When a place gets crowded enough to require ID's, social collapse is not far away. It is time to go elsewhere. The best thing about space travel is that it made it possible to go elsewhere.

Borna virus is not a retrovirus. It doesn't actually insert its own genes into our cells. What it does is just hangs out near our DNA and uses some of the molecular machinery to copy itself.

...revolutions are not won by enlisting the masses. Revolution is a science for the few who are competent to practice it. It depends on correct organisation and above all, on communications.

Evolution is a large political controversy as to what should be taught in the schools. But there is no scientific controversy that we evolved when we talk about evidence from fossils and DNA.

If it should turn out that we have mishandled our own lives as several civilizations before us have done, it seems a pity that we should involve the violet and the tree frog in our departure.

The violence and double-talk in the Alice books probably does no harm to children, but the novels should not be allowed to circulate indiscriminately among adults who are undergoing analysis.

For businesses, biomimicry is about bringing a new discipline - biology - to the design table. It's not to write an environmental impact statement, as most biologists in business do right now.

Man is dragged hither and thither, at one moment by the blind instincts of the forest, at the next by the strange intuitions of a higher self whose rationale he doubts and does not understand.

Roman matrons used to say to their sons: 'Come back with your shield or on it.' Later on, this custom declined. So did Rome... (but not before it created an Empire that changed the world -EM).

Although Lewis Carroll thought of The Hunting of the Snark as a nonsense ballad for children, it is hard to imagine - in fact one shudders to imagine - a child of today reading and enjoying it.

Men are expendable; women and children are not. A tribe or a nation can lose a high percentage of its men and still pick up the pieces and go on ... as long as the women and children are saved.

A dying culture invariably exhibits personal rudeness. Bad manners. Lack of consideration for others in minor matters. A loss of politeness, of gentle manners, is more significant than is a riot.

His older self had taught his younger self a language which the older self knew because the younger self, after being taught, grew up to be the older self and was, therefore, capable of teaching.

I had taken a partner once before—but, damnation, no matter how many times you get your fingers burned, you have to trust people. Otherwise you are a hermit in a cave, sleeping with one eye open.

I cannot significantly improve on the assertion that it simply is proper for us, as intelligent members of the universe, to try to look after our fellow creatures, and evil for us to do otherwise.

A managed democracy is a wonderful thing... for the managers... and its greatest strength is a 'free press' when 'free' is defined as 'responsible' and the managers define what is 'irresponsible'.

Citizenship is an attitude, a state of mind, an emotional conviction that the whole is greater than the part...and that the part should be humbly proud to sacrifice itself that the whole may live.

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.

One of the big challenges now is to figure out just how many viruses there really are in the human genome. So far the estimate is 8.3% of our genome is virus, but it actually could be a lot higher.

We think we learn from teachers, and we sometimes do. But the teachers are not always to be found in school or in great laboratories. Sometimes what we learn depends upon our own powers of insight.

The 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.

Of all the strange 'crimes' that human beings have legislated out of nothing, 'blasphemy' is the most amazing -- with 'obscenity' and 'indecent exposure' fighting it out for second and third place.

If you happen to be one of the fretful minority who can do creative work, never force an idea; you'll abort it if you do. Be patient and you'll give birth to it when the time is ripe. Learn to wait.

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