The world is like a mirror, frown at it, and it frowns at you. Smile and it smiles, too.

别说我不爱国

The world is like a mirror, frown at it, and it frowns at you. Smile and it smiles, too.
世界犹如一面镜子：你朝它皱眉，它就朝你皱眉；你朝它微笑，它也会对你微笑。