“The most important things are the hardest things to say,” writes King. “They are the things you get ashamed of because words diminish your feelings.” Most great pieces of writing are preceded with hours of thought. In King’s mind, “Writing is refined thinking.”

These quotes are from an article you can view here- 22 lessons from Stephen King on how to be a great writer. 

Also there, he gives helpful advices when it comes to writing.