I like the intent of this message, but I do like to refine messages as well as myself, and that tendency guides me towards a flaw in the logic of this message. If getting beaten up is how we are refined, then why would beating myself up slow me down? Of course, when you focus on the intent, the message is clear, but it looks like this message is not quite a masterpiece yet.

If I were to take a crack at it, I'd go for the extended metaphor, and talk about annealing, cooling, dousing and setting temper in metal. did you know that in some forge techniques, there are periods were you literally let the metal sit, or "rest"?