The duty of man is the same in respect to his own nature as in respect to the nature of all other things.

你能创造的最有价值的东西就是错误——你无法从完美中学到任何东西。

最好的管理是一门真正的科学，建立在明确的法律、规则和原则基础上。

Sustainability isn't an option; it's a responsibility we owe to future generations.

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.

我不是那种会让对承诺的热爱减少的人。