The teacher must believe in the potential of his students. He must see in each one of them a spark of the divine fire.

I don’t do things for the reaction or the criticism. I do things because I love doing them.

A company’s true value is measured by its impact on people and the planet.

化学是一门一直贴近我内心的科学，我以喜悦和热情将一生奉献给了它。

The most sustainable forest is one that remains standing while meeting human needs.