不为不可成，不求不可得，不处不可久，不行不可复。
不去尝试办不到的事情, 不去追求得不到的东西, 不居于不能持久的地位, 不推行不可重复的政策。
你并不孤单，别放弃。
The measure of a good book is determined by how much it disturbs and troubles its reader.
Every challenge is an opportunity in disguise—if you’re willing to look for it.