The greatest obstacle to being heroic is the doubt whether one may not be going to prove one's self a fool; the truest heroism is to resist the doubt, and the profoundest wisdom to know when it ought to be resisted, and when it be obeyed.
I’m just a kid trying to live my dreams.
开玩笑是件严肃的事情。
生活中唯一真正的失败是不忠于自己所知道的最好的东西。
能源的未来不仅仅是开采,还包括可持续性和对资源的负责任管理。
在数学中,最简单的问题往往导致最深刻的发现。