Asa Gray Quotes

It was implicitly supposed that every living thing was distinctively plant or animal; that there were real and profound differences between the two, if only they could be seized.

- Asa Gray

Tags

Implicitly | Supposed | Living | Distinctively | Plant |

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Many years ago it was taught that plants and animals were composed of different materials: plants, of a chemical substance of three elements,- carbon, hydrogen, and oxygen; animals of one of four elements, nitrogen being added to the other three. - Asa Gray

I am sufficiently convinced already that the members of a profession know their own calling better than anyone else can know it. - Asa Gray

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