Good coders borrow, great coders steal
https://stackoverflow.blog/2020/05/20/good-coders-borrow-great-coders-steal/

When you clone code, you risk merely borrowing it.[...] when you steal code, you know exactly what it does. The core of it, the quirks, all of it become a seamless part of your own code. If you could write it again from memory, that’s a sign a good theft; a reworking that has left you with something more than a clone, with something original.