It first appeared in the July 1960 issue of Amazing magazine and has since been reprinted twice, in Far Out (1961) and The Best of Damon Knight (1976).

[1] A psychiatrist of the future (1978) treats a young man, using a machine that causes him to relive an embarrassing incident from his childhood.

The scholar can take his exam over again, the lover can propose once more, the words that were thought of too late can be spoken...It's like a game of cards.

About this story, Knight wrote [2] During an unproductive session at the typewriter in 1959, I said the hell with it and decided to go and lie down.

While horizontal, with the dorsal muscles relaxed, I got the idea for "Time Enough," thus establishing a principle that I have followed successfully ever since: when you're not writing, get away from the typewriter.