The very essence of instinct is that it's followed independently of reason.
It is not the strongest of the species that survives, nor the most intelligent that survives. It is the one that is the most adaptable to change.
Man tends to increase at a greater rate than his means of subsistence.
In the long history of humankind (and animal kind too) those who learned to collaborate and improvise most effectively have prevailed.
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I have a dream that one day this nation will rise up and live out the true meaning of its creed: "We hold these truths to be self-evident: that all men are created equal."