The morning was blacker than the inside of a smoker’s lungs. - Larry Niven

And that’s another reason I don’t want contact between your species and mine. You’re all Crazy Eddies. You think every problem has a solution.

The priest splayed his digits wide. “Herdmaster, I learn. Later I will speak.” “You do not seem pleased.” There was no answer. “A place of puzzles,” Pastempeh-keph said. “They surrender and have not surrendered. Their tapes show rogues acting in collusion. They live neither in herds nor alone. What are they?” “What do they believe themselves to be?” Fistarteh-thuktun asked. “Perhaps that is more important.

There were timelines branching and branching, a mega-universe of universes, millions more every minute. Billions? Trillions? The universe split every time someone made a decision. Split, so that every decision ever made could go both ways. Every choice made by every man, woman, and child was reversed in the universe next door.