Sublime

I am convinced that Natural Selection has been the main but not exclusive means of modification.

Natural Selection almost inevitably causes much Extinction of the less improved forms of life and induces what I have called Divergence of Character.

In an 1844 letter to his friend J.D. Hooker, Charles Darwin makes it clear that his great insight emerged from the methodical accumulation of facts:

It was that same summer of 1859, with the cornerstone in place, that he returned to Europe, accompanied by his wife, and it was in England the autumn following, in November, that On the Origin of Species by Means of Natural Selection appeared, a volume bound in green cloth and priced at fifteen shillings. The first copy to reach Cambridge, one sent

Variability is governed by many unknown laws,