We are all haunted by the shadows of our former selves.

Sustainability isn't a choice anymore; it's a responsibility we all must embrace.

Mathematics is not a careful march down a well-cleared highway, but a journey into a strange wilderness, where the explorers often get lost.

在年轻的时候，请接受能为自己提供陡峭的学习曲线和艰苦的磨炼机会的工作。最初的工作是为人生打基础的，不要为了暂时的声望而轻易地接受一份工作。

债券市场是信心的最终衡量标准。

The more we have, the more we want.