If you are depressed you are living in the past.
如果你感到沮丧，你就是活在过去。

If you are anxious, you are living in the future.
如果你感到焦虑，你就是活在未来。

If you are at peace you are living in the present.
如果你内心平静，你就是活在当下。

—— Lao Tzu 老子