我不是榜样。我只是一个像其他人一样试图弄清楚的人。
We are all chapters in the great book of life.
The magic number 150 suggests that the size of our social networks is limited by the size of our brains.
一个国家真正的财富在于它的自然资本。
Words have no power to impress the mind without the exquisite horror of their reality.
History is not just about the past, it is also a mirror of the present.
The United States is the most powerful country in the world, and it will remain so for the foreseeable future.