I feel most deeply that this whole question of Creation is too profound for human intellect.
We must, however, acknowledge, as it seems to me, that man with all his noble qualities still bears in his bodily frame the indelible stamp of his lowly origin.
To kill an error is as good a service as, and sometimes even better than, the establishing of a new truth or fact.
The highest possible stage in moral culture is when we recognize that we ought to control our thoughts.
False facts are highly injurious to the progress of science, for they often endure long.
The mystery of the beginning of all things is insoluble by us; and I for one must be content to remain an agnostic.
I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection.
We will now discuss in a little more detail the Struggle for Existence.
A scientific man ought to have no wishes, no affections, a mere heart of stone.
I am not apt to follow blindly the lead of other men.
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