They began to ask themselves, ‘What’s the use of having all these here labor-savin’ devices, when we got to be up half the night tinkering with ’em?’ “But pretty soon, up popped another smart-Aleck, and he says, says he, ‘Whither are we driftin’? The machines are gettin’ us down,’ he says. ‘Let’s build some machines which will fix all these here machines for us!’

“Then it was tallyho and alley oop and off went the whole passel of mankind, buildin’ machines that would fix all the robots and the other machines when they busted down. While they was at it — just so’s they wouldn’t get in too deep — they built the fixing machines so’s they could fix themselves when they busted down. You see, that saved ’em from building still more machines to fix the machines that was going to fix the machines that was Well, they wouldn’t ’a’ been an end to it, otherwise..."

(Fixing Machines crash in "Frankenstein - Unlimited" by H.A. Highstone)