知道你拥有什么，并知道你为什么拥有它。

德性的知识，不是从见闻中产生的。

Change is hardest in the beginning, messiest in the middle, and best at the end.

I always try to stay focused on the present moment.

Every challenge is an opportunity to learn and grow.

知识是人类的最高财富，而分享知识则是最高的慷慨。