Nature has been the greatest chemist of all time, and we are just beginning to understand its secrets.
Sustainability is not just a responsibility, but also an opportunity for innovation.
The curious paradox is that when I accept myself just as I am, then I can change.
The challenges of today's coal industry require bold leadership and vision.
通往地狱的路是由未完成的作品铺成的。
我敬佩简单的快乐，那是复杂性最后避难所。