You are your best thing.

世界上最好和最美丽的东西是看不见甚至摸不着的——它们必须用心去感受。

The key to risk management is prevention and early warning.

Every material has a memory, and every action leaves a trace.

I guess Lieutenant Dan figured there's some things you just can't change. He didn't want to be called crippled, just like I didn't want to be called stupid.

Science is a powerful tool for humanity to understand and transform the world.