True leadership is about serving others, not yourself.

我们在实现同情、利他和爱的人类潜能方面还有很长的路要走。

Mathematics is not a spectator sport; to understand it, one must engage with it actively.

the only thing we have to fear is fear itself.

"A book is a friend that never judges you."

如果自由不包括犯错的自由，那么自由就不值得拥有。

死亡不算什么，但每天生活在失败和没有荣耀中就是每天都在死去。