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."
Be careful when reading health books; you may die of a misprint.
If you tell the truth you don't have to remember anything.
"Adam was the only man who, when he said a good thing, knew that nobody had said it before him."
"Get you facts first, and then you can distort 'em as much as you please."
"All you need in this life is ignorance and confidence, and then success is sure."