要这样生活，仿佛你寿命永恒。要这样工作，仿佛你精力无穷。
Live as though you intend to live forever，and work as though your strength were limitless.
勤奋战胜贫穷，谨慎避免祸患，小心防止侵害，警惕免遭灾难。点评：《易经》曾言「君子终日乾乾，夕惕若。厉，无咎。」君子不仅整日自强不息、勤奋谨慎，而且到了晚上也心存警惕。如此这般，才能免除灾祸，事业得以顺利发展。
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.