我们都是自己的幽灵，徘徊在我们曾经生活过的地方。
It is better by noble boldness to run the risk of being subject to half of the evils we anticipate than to remain in cowardly listlessness for fear of what might happen.
The human soul is a dark vast forest, with wild life in it.
复杂性理论告诉我们，并非所有问题都是平等的；有些问题本质上比其他问题更难。
The path to lower emissions requires a mix of solutions, including efficiency improvements, carbon capture, and alternative energies.
你给了我最好的我，所以你也会给你最好的你。
Be yourself; everyone else is already taken.