Once you have speech, you don't have to wait for natural selection! If you want more strength, you build a stealth bomber; if you don't like bacteria, you invent penicillin; if you want to communicate faster, you invent the Internet. Once speech evolved, all of human life changed.
Natural selection is anything but random...
Natural selection is anything but random.
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The theory of evolution by cumulative natural selection is the only theory we know of that is in principle capable of explaining the existence of organized complexity.
Design can never be an ultimate explanation for anything. It can only be a proximate explanation. A plane or a car is explained by a designer but that's because the designer himself, the engineer, is explained by natural selection.
My eyes are constantly wide open to the extraordinary fact of existence. Not just human existence, but the existence of life and how this breathtakingly powerful process, which is natural selection, has managed to take the very simple facts of physics and chemistry and build them up to redwood trees and humans.
To correct a natural indifference I was placed half-way between misery and the sun. Misery kept me from believing that all was well under the sun, and the sun taught me that history wasn't everything.
A person who can't pay gets another person who can't pay to guarantee that he can pay. Like a person with two wooden legs getting another person with two wooden legs to guarantee that he has got two natural legs. It don't make either of them able to do a walking-match.
If a woman can, by careful selection of a father and nourishment of herself, produce a citizen with efficient senses, sound organs and a good digestion, she should clearly be secured a sufficient reward for that natural service to make her willing to undertake and repeat it.
The laws of literary creation are unique; they don't change, and they are the same for everyone everywhere. I mean that you can tell a story that covers three hours of human life or three centuries - it comes to the same thing. Each writer who creates something authentic in a natural way instinctively also creates the technique that suits him.
In general, literature is a natural adversary of totalitarianism. Tyrannical governments all view literature in the same way: as their enemy. I lived for a long time in a totalitarian state, and I know firsthand that horror.
As writers become more numerous, it is natural for readers to become more indolent; whence must necessarily arise a desire of attaining knowledge with the greatest possible ease.
With few exceptions, music has been for some centuries the art which has devoted itself not to the reproduction of natural phenomena, but rather to the expression of the artist's soul, in musical sound.
The first and most natural way of lighting the houses of the American colonists, both in the North and South, was by the pine-knots of the fat pitch-pine, which, of course, were found everywhere in the greatest plenty in the forests.
The best books for a man are not always those which the wise recommend, but often those which meet the peculiar wants, the natural thirst of his mind, and therefore awaken interest and rivet thought.
Love never dies a natural death. It dies because we don't know how to replenish its source. It dies of blindness and errors and betrayals. It dies of illness and wounds; it dies of weariness, of witherings, of tarnishings.