The beauty of chemistry lies in its ability to explain the unseen.

变化不仅仅是生活的必要，它就是生活本身。

我不是为了娱乐而唱歌。我为那些经历过地狱又回来的女人唱歌。

Leadership is about making tough decisions today that will shape a better tomorrow.

世界需要能源，而我们的责任是负责任地提供它。