> Besides, code speaks to the compiler/runtime; comments speak to the human. > - The machine need to know HOW something should happen. That's code. > - The human needs to understand WHY that thing should happen that way.

While valuable, some people argue that they should be the same (granted, I mostly deal with high-abstraction language). For example most (all?) lisps have homoiconicity which means the computer and you see the code the same.