All modern American literature comes from one book by Mark Twain called Huckleberry Finn.

No subject is terrible if the story is true, if the prose is clean and honest, and if it affirms courage and grace under pressure.

I was as afraid as the next man in my time and maybe more so. But with the years, fear had come to be regarded as a form of stupidity to be classed with overdrafts, acquiring a venereal disease or eating candies. Fear is a child's vice and while I loved to feel it approach, as one does with any vice, it was not for grown men and the only thing to be afraid of was the presence of true and imminent danger in a form that you should be aware of and not be a fool if you were responsible for others.

Never confuse movement with action.

I am trying to make, before I get through, a picture of the whole world--or as much of it as I have seen. Boiling it down always, rather than spreading it out too thin. (On Writing.)

Actually if a writer needs a dictionary he should not write. He should have read the dictionary at least three times from beginning to end and then have loaned it to someone who needs it. There are only certain words which are valid and similes (bring me my dictionary) are like defective ammunition (the lowest thing I can think of at this time).

The first and final thing you have to do in this world is to last it and not be smashed by it.