Humor must be one of the chief attributes of God. Plants and animals that are distinctly humorous in form and characteristics are God's jokes.
Mark TwainAnger is an acid that can do more harm to the vessel in which it is stored than to anything on which it is poured.
Mark TwainOne of my theories is that the hearts of men are about alike, no matter what their skin color.
Mark TwainEvolution is the law of policies: Darwin said it, Socrates endorsed it, Cuvier proved it and established it for all time in his paper on The Survival of the Fittest. These are illustrious names, this is a mighty doctrine: nothing can ever remove it from its firm base, nothing dissolve it, but evolution.
Mark Twain