[philipov]

It's not trying to be edgy, it's riffing on a famous aphorism that is often attributed to Pablo Picasso.

https://quoteinvestigator.com/2013/03/06/artists-steal/

[jdc]

TLDR; it's probably T.S. Elliot and Stravinsky that deserve the credit.

[dang]

That's one case where QI was weirdly noncommittal. It's obviously Eliot's line ("Immature poets imitate; mature poets steal"), with a couple words replaced. The Stravinsky reference came decades later and was second-hand anyhow.

[birdyrooster]

It was Steve Jobs

/s