“ 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
“ 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… Asa Gray
“ 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 co… Asa Gray
“ 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. Asa Gray
“ We may take it to be the accepted idea that the Mosaic books were not handed down to us for our instruction in scientific knowledge, and that it is our duty to ground our scientific beliefs upon obser… Asa Gray
“ 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 dem… Asa Gray
