“I am perhaps more proud of having helped to redeem the character of the cave-man than of any other single achievement of mine in the field of anthropology.”

“Today the earth speaks with resonance and clearness and every ear in every civilized country of the world is attuned to its wonderful message of the creative evolution of man, except the ear of Wil...”

“Quite recently the human descent theory has been stigmatized as the 'gorilla theory of human ancestry.' All this despite the fact that Darwin himself, in the days when not a single bit of evidence ...”

“The Earth Speaks, clearly, distinctly, and, in many of the realms of Nature, loudly, to William Jennings Bryan, but he fails to hear a single sound. The earth speaks from the remotest periods in it...”

“The fossil hunter must first of all be a scientific enthusiast. He must be willing to endure all kinds of hardships, to suffer cold in the early spring and the late autumn and early winter months, ...”

“Direct observation of the testimony of the earth ... is a matter of the laboratory, of the field naturalist, of indefatigable digging among the ancient archives of the earth's history. If Mr. Bryan...”

“Television's perfect. You turn a few knobs, a few of those mechanical adjustments at which the higher apes are so proficient, and lean back and drain your mind of all thought. And there you are wat...”

“Some people will bring up evolutionary biology and apes, how female apes bow to male apes - that sort of thing. But the point is this: we are not apes. Apes also live in trees and eat earthworms. W...”

“But once an original book has been written-and no more than one or two appear in a century-men of letters imitate it, in other words, they copy it so that hundreds of thousands of books are publish...”

“The race is now on between the technoscientific and scientific forces that are destroying the living environment and those that can be harnessed to save it. . . . If the race is won, humanity can e...”

“None can reply - all seems eternal now. The wilderness has a mysterious tongue, which teaches awful doubt.”

“When Mother Nature speaks, even the Gods hold silence.”