Suns and planets, all the heavenly bodies, are sending their influence in every direction through the unfathomable depths of space; and just as the capacity of the earth to be warmed by the influence of the sun involves its reciprocal capacity to act as a cooling medium for that body, so the conditions throughout the universe must be regarded as everywhere interdependent and mutually implying one another.
— from A Review of the Systems of Ethics Founded on the Theory of Evolution by Cora May Williams
The changes the sun is undergoing may be regarded as evolution in so far as the influence of the cooling medium is a constant one.
— from A Review of the Systems of Ethics Founded on the Theory of Evolution by Cora May Williams
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