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。

"Books are mirrors: you only see in them what you already have inside you."

We are all of us made by what we have lost as much as by what we have gained.

The stage is a magical place where I can be completely free.

怀疑是智慧的开端。

学习哲学的最终目标是消除痛苦。