Eager and intense desire is the mainspring of all effective effort.  

These walls are really interesting. At first you hate it, then you get used to it. After a considerable period of time, you will depend on it.

美国没有永恒的敌人，也没有永恒的朋友，只有永恒的利益。

建筑中最困难的事情是保持简单。

I don't like favors; they oppress and make me fell like a slave. I'd rather do everything for myself, and be perfectly independent.

真正的天堂是我们已经失去的天堂。