Even if you only want to write science fiction, you should also read mysteries, poetry, mainstream literature, history, biography, philosophy, and science.
When state and religion are one, religion becomes a means for the powerful to remain in power.
Science fiction readers probably have the gene for novelty, and seem to enjoy a cascade of invention as much as a writer enjoys providing one.
Even if you only want to write science fiction, you should also read mysteries, poetry, mainstream literature, history, biography, philosophy, and science.
I'm in favor of any technology that makes my work available to the reading public at a reasonable price.