Should not pursuit all kinds of happiness, should only pursue noble happy.

不应该迫求一切种类的快乐，应该只追求高尚的快乐。

Should not be the pursuit of all kinds of happiness, should only pursue noble happy.

不应该追求一切种类的快乐，应该只追求高尚的快乐。

To pursue a better life is the theme of the pursuit of happiness.

《当幸福来敲门》这部电影的主题是：追求更好的生活。