https://m.signalvnoise.com/writing-software-is-hard-388d5e982ad9#.7c8z0ypy1
blog-post-writing-software-is-hard#not-easy-to-reason-about1Hard to reason about because reason was a distant goal behind "making it work well enough to ship" blog-post-writing-software-is-hard#not-easy-to-reason-about1