"The love for all living creatures is the most noble attribute of man."
"It is not the most intellectual of the species that survives; it is not the strongest that survives; but the species that survives is the one that is able best to adapt and adjust to the changing environment in which it finds itself."
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Source: Charles Darwin (2015). “Delphi Complete Works of Charles Darwin (Illustrated)”, p.11523, Delphi Classics
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