3.当我看到浪费一杯水的人时，我就会想到地球上那些连水都喝不上的人。
When I see someone wasting a glass of water, I think of those who don't have water on Earth.
A teacher who is attempting to teach without inspiring the pupil with a desire to learn is hammering on cold iron.
Sustainability isn't a cost center - it's an investment in our collective future.
创业就要像打麻将一样，要时刻保持兴奋和紧张感。
Mathematics is the language with which God has written the universe.
若无激情，或许不会犯错，但若无激情，也必定无伟大。
人类心智能够理解宇宙，因为宇宙已经产生了能够理解它的心智。