At the end of the season of sorrows comes the time of rejoicing. Spring, like a well-oiled clock, noiselessly indicates this time. - Roger Zelazny

Don't wake me for the end of the world unless it has very good special effects.

When I started writing my first novel, ...And Call Me Conrad, they always say: "Write about what you know" and I said "Well, if I get a nice sort of combination SF and Fantasy with these resonances from Greek Mythology it might be pretty good. It would also give me a chance to start filling in my background on all those things I don't know much about but should if I want to be an SF writer."
So I sat down and made a list of everything I felt I should know more about. Astrophysics, oceanography, marine biology, genetics... Then when I'd finished the list I read one book in each of these areas. When I'd finished I went back and read a second book until I'd read ten books in each area. I thought that it wouldn't turn me into a terrific, fantastic expert but I'd at least have enough material there to know if I was saying something wrong. And I'd also know where to turn to get the information I want to make it right.
While I was doing this, to keep the words and cheques flowing I wrote books involving mythology. And once I started picking up things involving astrophysics I'd write stories that played with those sorts of things. So that's why I started out with mythology.

I thought about the Elder Gods and wondered at how they might change things if the way were opened for their return. The world could be a good place or a nasty place without supernatural intervention; we had worked out our own way of doing things, defined our own goods and evils. Some gods were great for individual ideals to be aimed at, rather than actual ends to be sought, here and now. As for the Elders, I could see no profit in intercourse with those who transcend utterly. I like to keep all such things in abstract, Platonic realms and not have to concern myself with physical presences.