Henry Fairfield Osborn Quote

His speculations were as unsound as his observations had been sound and valuable.


From the Greeks to Darwin: An Outline of the Development of the, Evolution Idea, Chapter IV (p. 119), The Macmillan Co. 1905


His speculations were as unsound as his observations had been sound and valuable.

His speculations were as unsound as his observations had been sound and valuable.

His speculations were as unsound as his observations had been sound and valuable.

His speculations were as unsound as his observations had been sound and valuable.