The only way to do great work is to love what you do.

We are more interested in the capacity of architecture to improve people's lives than in the capacity of architecture to be beautiful.

We thought we had such problems. How were we to know we were happy?

解释：不通过学习而能自己知道的，不去请教他人而能自己通晓的，从古到今没有这样的事。