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3 quotes
Group bySubjectSpeakerEraGenre
Topic·Dark side of human nature✕clear
Philosophical literature1 quote
Of all the animals, man is the only one that is cruel. He is the only one that inflicts pain for the pleasure of doing it. — Mark Twain · 1910
Travel writing1 quote
Every one is a moon, and has a dark side which he never shows to anybody. — Mark Twain · 1897