IMHO it’s cheap to invoke parallel worlds just to avoid a piddling little yes-and-no time travel paradox. It’s like using an…

IMHO it’s cheap to invoke parallel worlds just to avoid a piddling little yes-and-no time travel paradox. It’s like using an H-bomb to light a joint. There’s always gonna be a tricky way out of any seeming paradox, if you think hard enough.

— Rudy Rucker (@rudytheelder) September 22, 2019

(via http://twitter.com/rudytheelder/status/1175592698452959232)