I have called this principle, by which, each slight variation, if useful, is preserved, by the term of Natural Selection. Evolution Quotes, by Charles R. Darwin , Source: The Origin of Species (ch. III) 0 out of 5 stars0 votes

I have called this principle, by which, each slight variation, if useful, is preserved, by the term of Natural Selection.

The expression often used by Mr. Herbert Spencer of the Survival of the Fittest is more accurate, and is sometimes equally convenient. Evolution Quotes, by Charles R. Darwin , Source: The Origin of Species (ch. III) 0 out of 5 stars0 votes

The expression often used by Mr. Herbert Spencer of the Survival of the Fittest is more accurate, and is sometimes equally convenient.

Mathematics seems to endow one with something like a new sense. Mathematics Quotes, by Charles R. Darwin , Source: "Mathematical Maxims and Minims" edited by N. Rose 0 out of 5 stars0 votes

Mathematics seems to endow one with something like a new sense.

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