As a coder, I understand your confusion. It's a (slightly sarcastic) variation of an old adage from Brian Kernighan: https://www.quora.com/Computer-Programming-

As a coder, I understand your confusion. It's a (slightly sarcastic) variation of an old adage from Brian Kernighan: https://www.quora.com/Computer-Programming-How-true-is-the-quote-You-need-to-be-twice-as-smart-as-the-person-who-wrote-the-code-in-order-to-debug-it https://www.quora.com/Computer-Programming-How-true-is-the-q...