Species evolve exactly as if they were adapting as best they could to a changing world, and not at all as if they were moving toward a set goal. — George Gaylord Simpson Copy Share Image
The fact -- not theory -- that evolution has occurred and the Darwinian theory as to how it occurred have become so confused in… — George Gaylord Simpson Copy Share Image
“The passion for naming things is an odd human trait. It is strange that men always feel so much more at ease when they… — George Gaylord Simpson Copy Share Image
A rill in a barnyard and the Grand Canyon represent, in the main, stages of valley erosion that began some millions of years apart. — George Gaylord Simpson Copy Share Image
If a sect does officially insist that its structure of belief demands that evolution be false, then no compromise is possible. An honest and… — George Gaylord Simpson Copy Share Image
I have a debt, a loyalty to the museum; the best place for me to do what I wanted to do. — George Gaylord Simpson Copy Share Image
Man is the result of a purposeless and natural process that did not have him in mind — George Gaylord Simpson Copy Share Image
Man is the result of a purposeless and materialistic process that did not have him in mind. He was not planned. He is a… — George Gaylord Simpson Copy Share Image
I don't know where to put whales. I'm sticking them here, but I don't have any reason for it. — George Gaylord Simpson Copy Share Image
Almost all paleontologists recognize that the discovery of a complete transition is in any case unlikely. — George Gaylord Simpson Copy Share Image
To put it crudely but graphically, the monkey who did not have a realistic perception of the tree branch he jumped for was soon… — George Gaylord Simpson Copy Share Image
Man has risen, not fallen. He can choose to develop his capacities as the highest animal and to try to rise still farther, or… — George Gaylord Simpson Copy Share Image
...the argument from absence of transitional types boils down to the striking fact that such types are always lacking unless they have been found. — George Gaylord Simpson Copy Share Image
