“It was a hard thing for human beings to deal with, when we first realized how much of our behaviour arose from evolutionary necessity,” said Wiggin. “There are still numberless humans who refuse to believe it. […] It’s another thing to find out that neither God nor evolution created you […]”
The above passage is from Xenocide by Orson Scott Card. I removed parts of the quote to ensure it spoilerfree. What’s interesting is not the contents of the passage, rather that Card is a devout Mormon. I find it very satisfying to see that he can leave his religion out of his books.