We know from daily life that we exist for other people first of all, for whose smiles and well-being our own happiness depends.

We know from daily life that we exist for other people first of all, for whose smiles and well-being our own happiness depends.

我们从日常生活中知道，我们首先是为他人而存在的，因为他们的微笑和幸福决定了我们自己的幸福。

-- Albert Einstein 爱因斯坦