what does the saying “if you want a friend,be one.”mean?

问题描述:

what does the saying “if you want a friend,be one.”mean?
一定要说对的啊
这句话的意识

"如果你想交一个朋友,那么请你友善些(be one 我认为就是要有一个朋友的样子,所以就可以翻译为友善些).