wù yǐ lèi jù
similar things come together (idiom); like draws like
Birds of a feather flock together.
物
wù
(bound form) thing
以
yǐ
abbr. for Israel 以色列[Yi3 se4 lie4]
类
lèi
kind; type; class; category
聚
jù
to assemble; to gather (transitive or intransitive)