... his best known books, Mr. Darwin brings out a fact which may be illustrated in some such way as this: Suppose a bird fancier collects a flock of tame pigeons distinguished by all the infinite ornamentations of their race. They are of all kinds, of every shade of color, and adorned with every variety of marking. He takes them to an uninhabited island and allows them to fly ... — Natural Law in the Spiritual World • Henry Drummond
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