How to seem good at everything: Stop doing stupid shit
What the author is trying to say is <i>Dunning-Kruger effect</i>: <a href="http://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect" rel="nofollow">http://en.wikipedia.org/wiki/Dunning%E2%80%93Kruger_effect</a>