教师必须具有健康的体魄，农人的身手，科学的头脑，艺术的兴味，改革社会的精神。

释义：云彩积得厚，雨就一定下得猛；弓弩很强劲，箭就一定射得远。说明成功从来都不是一蹴而就的，而是需要一个厚积薄发的过程。

Don't feel stupid if you don't like what everyone else pretends to love.

The concept of computational complexity is not just about how fast we can compute, but also about understanding the limits of what can be computed.

In business, if you're standing still, you're actually moving backwards.

采矿业的成功来自于经济增长与环境责任的平衡。