注释：恭敬、节俭、谦逊、守礼，这样才能自我坚守。深谋远虑，这样才能避免困厄。亲近仁德之士、结交正直之人，这样才能在危难时得到帮助。
The best way to learn is by doing, not just by listening or reading.
It is not the benevolence of the employer that determines the wages of labor， but the competition among employers.
The beauty of a program is in its simplicity.
"The function of thought is to guide action."