心是脆弱的东西，容易破碎，但也有着难以置信的韧性。
The heart is a fragile thing, easily broken but also capable of incredible resilience.
Grief is like the ocean; it comes on waves ebbing and flowing. Sometimes the water is calm, and sometimes it is overwhelming. All we can do is learn to swim.
我不会因为人们说什么而改变我是谁或我做什么。
Mathematics is the art of giving the same name to different things.
解释：治理河道，要用疏导的办法使其通畅；治理百姓，要引导百姓使其敢言。