Courage doesn't always roar. Sometimes courage is the quiet voice at the end of the day saying, "I will try again tomorrow."

失败不可怕，可怕的是失去从失败中学习的能力。

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.

Science is the art of asking the right questions.

Sustainability isn't a trend, it's a necessity.

领导者的工作是帮助人们看到未来。