To be happy, I must have my books and a piece of sky.
要快乐,我必须拥有我的书和一片天空。
We must embrace change and innovate constantly.
"The world is full of obvious things which nobody by any chance ever observes."
People can be divided into these types: strangers, acquaintances, familiar people, friends, and close friends. True friendship isn't about compliments to your face, but whether you're mentioned when they talk about friends behind your back.