It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.

诗歌这种艺术形式，能在简短的语句中蕴含无尽的意蕴。

发现可能性的极限的唯一方法是超越它们进入不可能的领域。

不要为那些不愿在你身上花费时间的人而浪费你的时间。