贫困并非不可避免；它是一个可以解决的问题。

"Books are the best teachers."

The molecules that mediate pain are ancient, revealing how deeply rooted this sensation is in evolution.

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

最成功的现代国家是那些能够将强大的国家与法治和民主问责制结合起来的国家。

科学的本质在于通过观察、实验和推理不懈追求真理。

回归真正野生环境最困难的部分是放下现代生活的机械干扰。