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" Since knowledge, thinking, and rational action are properties of the individual, since the choice to exercise his rational faculty or not depends on the individual, man’s survival requires that those who think be free of the interference of those who don’t. Since men are neither omniscient nor infallible, they must be free to agree or disagree, to cooperate or to pursue their own independent course, each according to his own rational judgment. Freedom is the fundamental requirement of man’s mind.
A rational mind does not work under compulsion; it does not subordinate its grasp of reality to anyone’s orders, directives, or controls; it does not sacrifice its knowledge, its view of the truth, to anyone’s opinions, threats, wishes, plans, or “welfare.” Such a mind may be hampered by others, it may be silenced, proscribed, imprisoned, or destroyed; it cannot be forced; a gun is not an argument. (An example and symbol of this attitude is Galileo.)
It is from the work and the inviolate integrity of such minds—from the intransigent innovators—that all of mankind’s knowledge and achievements have come. (See The Fountainhead.) It is to such minds that mankind owes its survival. (See Atlas Shrugged.) "
― Ayn Rand , Capitalism: The Unknown Ideal
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" It is curious why anybody should pooh-pooh a study of fossils or various forms of rocks or lava. Such things grant us our only vision into Natural History’s big book; and it isn't a book in first-class condition. Far from it! Just a tiny scrap; a slip; or, possibly a big chunk is found, with nothing notifying us as to how it got to that particular point, nor how long ago. Man can only look at it, lift it, rap it, cut into it, and squint at it through a magnifying glass. And,— think about it. That’s all; until a formal study brings accompanying thoughts from many minds; and, by such tactics, judging that in all probability such and such a rock or fossil footprint is about so old. Natural History holds you in its grasp through just this impossibility of finding actual facts; for it is thus causing you to think. Now, thinking is not only a voluntary function; it is an acquisition; an art. Plants do not think. Animals probably do, but in a primary way, such as an aid in knowing poisonous foods, and how to bring up an offspring with similar ability. But Man can, and should think, and think hard and constantly. It is ridiculous to rush blindly into an action without looking forward to lay out a plan. Such an unthinking custom is almost a panic, and panic is but a mild form of insanity "
― Ernest Vincent Wright , Gadsby