"Modification of form is admitted to be a matter of time"
"In less than eight years "The Origin of Species" has produced conviction in the minds of a majority of the most eminent living men of science. New facts, new problems, new difficulties as they arise are accepted, solved, or removed by this theory; and its principles are illustrated by the progress and conclusions of every well established branch of human knowledge."
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Source: Alfred Russel Wallace (2016). “Contributions to the Theory of Natural Selection: A Series of Essays”, p.42, Library of Alexandria
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