The safest way to double your money is to fold it over once and put it in your pocket.

在数学中，最简单的解释往往是最深刻的。

The pursuit of happiness is not just about seeking pleasure, but also about finding meaning and purpose in life.

The only thing that you can control is your effort and your attitude.

可持续性不仅仅是种树；而是种下能成长为行动的想法。

无论削减成本的压力有多大，质量永远不应妥协。