To me, fearless is not the absence of fear. It's not being completely unafraid. To me, fearless is having fears. Fearless is having doubts. Lots of them. To me, fearless is living in spite of those things, every single day.

应对不自由世界的唯一方法是变得如此绝对自由，以至于你的存在本身就是一种反叛。

一个好的程序员是在穿过单行道前会两边都看的人。