Morals are an acquirement -- like music, like a foreign language, like piety, poker, paralysis -- no man is born with them.
Source: Seventeenth Birthday, 1907.
-- Mark Twain, (Nov 30 1835-1910), US novelist, journalist, river pilot; The Great American humorist was also known as The People's Author and creator of Tom Sawyer and Huck Finn.