„“Look,” said Rumfoord, “life for a punctual person is like a roller coaster.” He turned to shiver his hands in her face. “All kinds of things are going to happen to you! Sure,” he said, “I can see the whole roller coaster you’re on. And sure—I could give you a piece of paper that would tell you about every dip and turn, warn you about every bogeyman that was going to pop out at you in the tunnels. But that wouldn’t help you any.”
“I don’t see why not,” said Beatrice.
“Because you’d still have to take the roller-coaster ride,” said Rumfoord. “I didn’t design the roller coaster, I don’t own it, and I don’t say who rides and who doesn’t. I just know what it’s shaped like.“
— Kurt Vonnegut, book The Sirens of Titan
The Sirens of Titan (1959), Chapter 2 “Cheers in the Wirehouse” (pp. 57-58)