出自汉·桓宽《盐铁论·申韩》，也有说出自《盐铁论·险固》。有所准备就能制服别人；没有准备只能被别人制服。释义：有准备就能钳制住别人；没有准备就要受别人的钳制。

Sustainability isn't just about planting trees; it's about planting the right trees in the right places for the right reasons.

I like the night. Without the dark, we'd never see the stars.

追求数学知识是一段永无止境的旅程，充满了无尽的好奇和惊奇。

The topic of leadership is a touchy one. A lot of leaders fail because they don’t have the bravery to touch that nerve or strike that chord. Throughout my years, I haven’t had that fear.