Date: November 24, 1859

"Although I am fully convinced of the truth of the views given in this volume under the form of an abstract, I by no means expect to convince experienced naturalists whose minds are stocked with a multitude of facts all viewed, during a long course of years, from a point of view directly opposite...

— Darwin, Charles (1809-1882)

Date: 1901-2, 1902

"Few people who have not expressly reflected on the matter realize how constantly this factor of inhibition is upon us, how it contains and moulds us by its restrictive pressure almost as if we were fluids pent within the cavity of a jar."

— James, William (1842-1910)