I proceed with the proper subject of this discourse; namely, the further changes in scientific belief, which have occurred within my own recollection, even since the time when I first aspired to authorship, now forty- five years ago.
-- Asa Gray
   
Asa Gray   Name:
Asa Gray
Type:
Scientist
Nationality:
American
Birth:
November 18, 1810
Death:
January 30, 1888
https://www.nutquote.com/quote/Asa_Gray