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

解释：礼用来推行道义，道义用来产生利益，利益用来使老百姓太平，这是治理国家的关键。

I've learned that you have to be strong enough to stand alone, smart enough to know when you need help, and brave enough to ask for it.

可持续性不仅仅是一个目标，更是我们对未来肩负的责任。