"Escribir sobre violencia no es glorificarla, sino exponer sus raíces para poder erradicarla."

疫苗的安全性和有效性是其研发中最重要的标准。

All interest in disease and death is only another expression of interest in life.

如果我们一直等着别人或以后，改变是不会到来的。我们自己就是我们在等待的人。我们自己就是我们寻求的改变。

The work is not the object, but the action.

"I love the challenge of playing against the best players in the world."

The difference between correlation and causation is not just academic—it can have profound policy implications.

乐观主义者认为这是所有可能世界中最好的一个。悲观主义者知道确实如此。