The most exciting breakthroughs of the 21st century will not occur because of technology but because of an expanding concept of what it means to be human.
气候变化不是一个遥远的问题——它已经到来，而森林是我们的第一道防线。
错误经不起失败，但是真理却不怕失败。
The only way to deal with an unfree world is to become so absolutely free that your very existence is an act of rebellion.
Sustainability must be the cornerstone of modern quarry operations, not an afterthought.