Learn to use yours ears more and your mouth less, or your reign will be shorter than I am.

Terrible times breed terrible things, my lord.

Nothing discourages unwanted questions as much as a flow of pious bleating.

A good king knows when to save his strength and when to destroy his enemies.

There is no creature on earth half so terrifying as a truly just man.

Fat men take a cushion with them wherever they go.

I've never been a fast writer.

They will not love me, you say? When have they ever loved me? How can I lose something I have never owned? - Stannis

If you would wed, wed. If not, take your pleasure where you find it. There's little enough of it in this world." - Oberyn

The most important thing for any aspiring writer, is to read! And not just the sort of thing you're trying to write, be that fantasy, SF, comic books, whatever. You need to read everything.