Adapted Quote by Roderick Murchison

Each species may have had its origin in a single pair, or individual, where an individual was sufficient, and species may have been created…

— Charles Lyell

“The different human peoples did not evolve out of a common ancestor; they were each born out of the womb of their own homeland.…

— Anonymous

All the acquisitions or losses wrought by nature on individuals, through the influence of the environment in which their race has long been placed,…

— Jean-Baptiste Lamarck

The surface of the earth is not simply a stage on which the thousands of present and past inhabitants played their parts in turn.…

— Louis Agassiz

After having produced aquatic animals of all ranks and having caused extensive variations in them by the different environments provided by the waters, nature…

— Jean-Baptiste Lamarck

“Thus, from the war of nature, from famine and death, the most exalted object which we are capable of conceiving, namely, the production of…

— Charles Darwin

The fundamental problem in the origin of species is not the origin of differences in appearance, since these arise at the level of the…

— David Lack

The occurrence of successive forms of life upon our globe is an historical fact, which cannot be disputed; and the relation of these successive…

— Anonymous

For the source of any characteristic so widespread and uniform as this adaptation to environment we must go back to the very beginning of…

— Ellsworth Huntington

For nearly 2 million years, our ancestors survived and thrived and spread across the planet because they could run other mammals into heat exhaustion.

— Christopher McDougall

Human beings were human beings anatomically for several hundred thousand years, wandering around, hunting and gathering. And then suddenly, at the same time they…

— Howard Rheingold

We do not draw conclusions with our eyes, but with our reasoning powers, and if the whole of the rest of living nature proclaims…

— August Weismann