煤炭仍将是能源结构的一部分，但其角色必须为更清洁的未来重新定义。

The most profound discoveries in mathematics often come from questioning the most basic assumptions.

魔鬼不需要长角才危险。

That there are things in this world not carved out of gray stone. That there s a small place inside of us they can never lock away, and that place is called hope.