Moreover, all our knowledge of organic remains teaches us, that species have a definite existence, and a centralization in geological time as well as in geographical space, and that no species is repeated in time.
“I have done a lot of things outside of Science Fiction, but there has been an almost disproportionate amount of that genre in my body of work. I don't know what to make of it.”
“You know what a champion is? A champion is someone who's ready when the gong rings - not just before, not just after - but when it rings.”