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Charles Darwin Quotes about Friendship

A man's friendships are one of the best measures of his worth.

A man's friendships are one of the best measures of his worth.

Charles Darwin (2015). “Darwin on Evolution: Words of Wisdom from the Father of Evolution”, p.24, Skyhorse Publishing, Inc.

It is scarcely possible to doubt that the love of man has become instinctive in the dog.

Charles Darwin (2016). “On the Origin of Species: the Evolution”, p.132, VM eBooks