Asa Gray said this quote

“ It remains to consider what attitude thoughtful men and Christian believers should take respecting them, and how they stand related to beliefs of another order. ”

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Perhaps if zoologists would contemplate the wide variations presented by many plants of indubitably one and the same species, and the still wider diversities of long cultivated races from an original stock, they would find more than one instructive parallel to the case of the longest domesticated of all species, man.

~ Asa Gray

Asa Gray Animals Biology Domestication Homo Sapiens Man Plants Races Science Species Variation Zoology

This view, as a rounded whole and in all its essential elements, has very recently disappeared from science. It died a royal death with Agassiz.[It had formerly been held that there were no genetic connections among species.]

~ Asa Gray

Asa Gray Agassiz Biology Evolution Jean Louis Rodolphe Agassiz Louis Agassiz Science

Natural selection is not the wind which propels the vessel, but the rudder which, by friction, now on this side and now on that, shapes the course.

~ Asa Gray

Asa Gray Analogy Biology Course Evolution Friction Natural Selection Rudder Science Shape Ship Vessel

We have really, that I know of, no philosophical basis for high and low. Moreover, the vegetable kingdom does not culminate, as the animal kingdom does. It is not a kingdom, but a common-wealth; a democracy, and therefore puzzling and unaccountable from the former point of view.

~ Asa Gray

Asa Gray Analogy Animals Charles Darwin Darwin Democracy Kingdom Philosophy Plants Science Species Vegetables