容易得到的东西，是靠不住的；轻易许下的诺言，不值得信赖。

With a library you are free, not confined by temporary political climates. It is the most democratic of institutions because no one - but no one at all - can tell you what to read and when and how.

永远不要把运动和行动混为一谈。

The ability to be alone is the ability to love. It may look paradoxical to you, but it’s not. It is an existential truth: only those who can be alone are capable of love, of sharing, of going into the deepest core of another human being—without possessing the other, without becoming dependent on the other, without reducing the other to a thing, and without becoming addicted to the other.

唯一能让你明智的是你自己的经验。

The more one forgets himself—by giving himself to a cause to serve or another person to love—the more human he is.

建筑师必须是诗人，但必须是建造的诗人。

未来可以通过现在的行动改变。

"The past is always with us, whether we acknowledge it or not."