If ever you've been down in the dumps, hear these iconic authors share with you more than their writing wisdom.

Dates are hard to remember because they consist of figures; figures are monotonously unstriking in appearance, and they don't take hold, they form no pictures, and so they give the eye no chance to help. Pictures are the thing. Pictures can make dates stick.

There is nothing to be learned from the second kick of a mule.

Well, my book is written-let it go. But if it were only to write over again there wouldn't be so many things left out. They burn in me; and they keep multiplying; but now they can't ever be said. And besides, they would require a library-and a pen warmed up in hell.

What ought to be done to the man who invented the celebrating of anniversaries? Mere killing would be too light.

We catched fish, and talked, and we took a swim now and then to keep off sleepiness. It was kind of solemn, drifting down the big still river, laying on our backs looking up at the stars, and we didn’t ever feel like talking loud, and it warn’t often that we laughed, only a kind of low chuckle. We had mighty good weather, as a general thing, and nothing ever happened to us at all, that night, nor the next, nor the next.

It isn't safe to sit in judgment upon another person's illusion when you are not on the inside. While you are thinking it is a dream, he may be knowing it is a planet.