你最不满意的顾客是你最大的学习来源。
如果你想让人做某事,就让它变得简单。
奥运会不仅仅是关于胜利,更是关于参与和分享。
今天我们种下的每一棵树都是留给后代的遗产。
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.