化学是一门研究物质性质及其变化的科学。

What we fear doing most is usually what we most need to do.

The most important property of a program is whether it accomplishes the intention of its user.

The mining industry must lead by example in safety, sustainability and social responsibility.

Always plan for the worst-case scenario.

成功不是关于奖项，而是关于你对别人的影响。