微生物什么都不是；环境才是一切。

恐惧是所有情感中最民主的。

如果它不挑战你，它就不会改变你。

我总是尽量保持谦逊，尊重每个人。

Poverty is not just a lack of money; it’s about having so little that you can’t even afford to make the right decisions.

一本好书应该是劈开我们内心冰海的斧头。

The Internet is a powerful tool for education, communication, and collaboration.