The busy have no time for tears.

我不觉得人类的大脑足以理解过去和未来，这二者不过就是幻象而已，驱使你去相信一切有所改变。

The mining industry has a responsibility to leave communities better than we found them.

积极心理学不仅仅是微笑；它是关于什么使生活值得过的科学研究。