释义：上顺应于天，下取悦于民。使民众喜悦，人民便忘记了劳苦；用喜悦战胜困难，民众就会忘掉死亡的威胁，喜悦的作用太大了，它能勉励民众！

Sustainability is no longer a choice; it's a necessity for survival in our industry.

在数学中，从问题到答案的旅程往往比答案本身更具启发性。

Some men can get results if kindly encouraged, but give me the kind that do things in spite of hell.

更轻意味着更少的浪费。