A country without literature is a country without a voice.

煤炭不仅仅是一种商品，它是对美国未来的承诺。

每个人都有存在的意义，我真心相信这一点。

你唯一应该努力超越的人，就是昨天的自己。

The elements of consciousness are to be studied in isolation.

You can't let praise or criticism get to you. It's a weakness to get caught up in either one.