自由意味着责任，因此许多人害怕自由。

Literature is my Utopia. Here I am not disfranchised. No barrier of the senses shuts me out from the sweet, gracious discourse of my book friends.

I am the little Jew who wrote the Bible.

学习新编程语言的最好方法是用它编写程序。

In energy, the only constant is change—embrace it.