Code should be beautiful. It should be expressive. It should be concise and speak for itself. It should be both clear and obvious on the first glance. A variabl

Code should be beautiful. It should be expressive. It should be concise and speak for itself. It should be both clear and obvious on the first glance. A variable should be called what it is, not x or y. Once you've written a piece of code, re-write it. Again and again, until it doesn't need comments and speaks for itself. Once you've re-factored your code enough times and you feel it can't get any better, then you can comment your code. Many times developers write shitty code, put a stamp of "it works" on it and then comment it, as if comments make it OK. Bullshit. Perfect code doesn't need comments. We can't achieve perfection, but we can try.