The only limit to our realization of tomorrow is our doubts of today.

In the end, we will remember not the words of our enemies, but the silence of our friends.

The only way to understand another culture is to assume the frame of reference of that culture.

比较是幸福的最大杀手。如果一定要比较，就拿昨天的自己作为比较对象。

Sustainability is not just a trend, it's a responsibility.

Justice is not always served in the way we expect, but it is always served in some form.

种一棵树最好的时间是20年前，其次是现在。