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"Is it philosophical, is it quite allowable, to assume without evidence from fossil plants that the family or any of the genera was once larger and wide spread? and occupied a continuous area?"
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"The difference between a 'man' and a 'father' is that the former shares his genes, but latter gives his life."
"My mother was the greatest philosopher. I am nothing but a reflection of her imagination."
Explore more quotes by Asa Gray
"But it was soon ascertained that this quaternary matter of the animal body was chemically the same in the plant, was elaborated there, and only appropriated by the animal."
"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."
"I take it for granted that you do not wish to hear an echo from the pulpit nor from the theological class-room."
"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."
"Why is it not just as likely that there were as many small general nearly at first as now, and as great a disproportion in the number of their species?"
"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."
"Indeed upon much that may have to say, I expect rather the charitable judgment than the full assent of those whose approbation I could most wish to win."
"There is a class, moreover, by whom all these scientific theories, and more are held as ascertained facts, and as the basis of philosophical inferences which strike at the root of theistic beliefs."
"It was always understood that plants and animals, though completely contrasted in their higher representatives, approached each other very closely in their lower and simpler forms. But they were believed not to blend."
"I am sufficiently convinced already that the members of a profession know their own calling better than anyone else can know it."
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