Start with short stories. After all, if you were taking up rock climbing, you wouldn't start with Mount Everest. So if you're starting fantasy, don't start with a nine-book series.

In this world, only winter is certain

It is one thing to be clever and another to be wise.

And pray that he is the man I think he is, he finished silently, and not the man I fear he has become.

A harp can be a dangerous as a sword, in the right hands.

Sometimes there is no happy choice, Sam, only one less grievous than the others. - Jon Snow

The best writing advice I had was [in] ‘Heinlein’s Rules for Writers’ by (American science fiction author) Robert A. Heinlein. His first rule is that you must write, and I was already doing that, but his second rule is, ‘You must finish what you write,’ and that had a big impact on me.