你知道的——当一个人情绪低落的时候，他会格外喜欢看日落。

The future of the petroleum industry lies in efficiency, cleanliness, and low carbon. We must find a balance between traditional and new energy sources.

每个数学问题都有解决方案，但并非每个解决方案都显而易见。

我思故我在已被废弃；我们应说，我感受故我在。

I'm not afraid to fail, I'm afraid not to try.

I don't want to be a superstar. I want to be a super person.