Evolution throws a wonderful light on all the struggles, eccentricities, tortuous developments of the human conscience in the past. It is the only theory of morals that does. And evolution throws just as much light on the ethical and social struggle today; and it is the only theory that does. What a strange age ours is from the religious point of view! What a hopeless age from the philosopher's point of view! Yet it is a very good age, the best that ever was. No evolutionist is a pessimist.
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