时节不寒冷，就不会知道松柏挺拔且郁郁葱葱的；事情不危难，就不会知道君子每日都在持守信念。

To understand a forest, you must listen to it—not just with your ears, but with your respect.

The past is not for living in; it is a well of conclusions from which we draw in order to act.

真正的友情在困难时才会被考验。