True courage is not the absence of fear, but moving forward in the face of fear.
要在这个行业中领先,你必须尊重土地和在这片土地上工作的人们。
Theorems are not discovered by accident.
The truth is: the natural world is changing. And we are totally dependent on that world. It provides our food, water and air. It is the most precious thing we have and we need to defend it.