birds of a feather flock together

Syllable breakdown

Dictionary meaning

people with similar characters, tastes, beliefs, or interests naturally tend to associate with one another and form social groups; the proverb observes that social affiliation follows similarity and that communities self-select around shared identity and values; it is used both descriptively to explain why certain social clusters form and, with a critical edge, to suggest that a person can be judged by the company they keep