Ray Bradbury gives tips on great writing which include:
Read and write short stories
Read Essays about anything
and go to the movies.
Science fiction author Ray Bradbury regales his audience with stories about his life and love of writing in "Telling the Truth," the keynote address of The Sixth Annual Writer's Symposium by the Sea, sponsored by Point Loma Nazarene University. Series: Writer's Symposium By The Sea [4/2001]
If you have an hour to spare, this was very inspirational and his honesty was very enlightening.