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"The former conviction that these two kingdoms were wholly different in structure, in function, and in kind of life, was not seriously disturbed by the difficulties which the naturalist encountered when he undertook to define them."
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"The condition you're in at this moment is the product of your previous thoughts, to change your condition, change your thoughts."
Personal Development

"People who truly live their lives don't have time to complain or judge others. They're too busy enjoying life and love and everything in between!"

"Vulnerability gives us freedom, power and connects us to a network of injured souls. It is through the art of being real that we can heal ourself and others."

"Once born, how long a man will live matters. Once dead, how long he has lived doesn't."
Explore more quotes by Asa Gray

"The best opinion now is, that there are multitudinous forms which are not sufficiently differentiated to be distinctively either plant or animal, while, as respects ordinary plants and animals, the difficulty of laying down a definition has become far greater than ever before."

"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."

"Your candor is worth everything to your cause. It is refreshing to find a person with a new theory who frankly confesses that he finds difficulties, insurmountable, at least for the present."

"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."

"This substance, which is manifold in its forms and protean in its transformations, has, in its state of living matter, one physiological name which has become familiar, that of protoplasm."

"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."

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

"We have spoken of beings so low in the scale that the individuals throughout their whole existence are not sufficiently specialized to be distinctively plant or animal: yet these are definite life in simpler shape."
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