“No existing form of anthropoid ape is even remotely related to the stock which has given rise to man.”

“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, ...”