The competent programmer is fully aware of the strictly limited size of his own skull; therefore he approaches the programming task in full humility, and among other things he avoids clever tricks like the plague.

当我们发现保持不变比改变更痛苦时，我们就会改变自己的行为。后果给我们带来痛苦，激励我们去改变。

我永远不会改变到让人认不出来。