I think we fool ourselves and really negate a great deal of history if we think that the oral history of poetry is shorter than the written history of poetry. It's not true. Poetry has a longer oral tradition than it does written. ↗
I have always been pushed by the negative. The apparent failure of a play sends me back to my typewriter that very night, before the reviews are out. I am more compelled to get back to work than if I had a success. ↗
Working within the limitations of the shared world generally made the writing easier, because I didn't have to invent any of the characters or background, which is usually the hardest part. ↗
Even if you only want to write science fiction, you should also read mysteries, poetry, mainstream literature, history, biography, philosophy, and science. ↗