1、A life without a friend is a life without a sun.人生沒有朋友,猶如人生沒有了太陽。2、A friend is a second self.朋友乃第二個自我。3、Between friends all is common.朋友間不分彼此。4、Friendship is a love without wings.友誼是一種無形的愛。5、A friend to all is a friend to none.濫交者沒有朋友。