The fact that man knows right from wrong proves his INTELLECTUAL superiority to the other creatures; but the fact that he can DO wrong proves his MORAL inferiority to any creature that CANNOT. - Mark Twain Quotes

The fact that man knows right from wrong proves his INTELLECTUAL superiority to the other creatures; but the fact that he can DO wrong proves his MORAL inferiority to any creature that CANNOT.

Source:Chapter VI. Instinct and Thought, What Is Man? (1906)
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