物以類聚,人以群分 [ㄨˋ ㄧˇ ㄌㄟˋ ㄐㄩˋ , ㄖㄣˊ ㄧˇ ㄑㄩㄣˊ ㄈㄣ; wu4 yi3 lei4 ju4 , ren2 yi3 qun2 fen1] Similar things group together, similar people fit together (idiom); Birds of a feather flock together. ◄ ►