Of all the things a man may do, sleep probably contributes most to keeping him sane. It puts brackets about each day. If you do something foolish or … - Roger Zelazny

All of these things considered, it is not surprising that one can detect echoes, correspondences and even an eternal return or two within the work of a single author. The passage of time does bring changes, yea and alas; but still, I would recognize myself anywhere.

"Statistics aren't the same thing as destiny, Bennie. Everybody makes his own."
"Statistics or destiny?"
"Both, I guess."
"I think that if something's going to happen, it's going to happen."
"I don't. I happen to think that the human will, backed by a sane mind can exercise some measure of control over events. If I didn't think so, I wouldn't be in the racket I'm in."

You don’t know what it’s like to be cut off from a whole area of stimuli! To know that a Mongoloid idiot can experience something you can never know—and that he cannot appreciate it because, like you, he was condemned before birth in a court of biological happenstance, in a place where there is no justice—only fortuity, pure and simple.