Examples:

• Birds of a feather flock together.
• Birds of a feather flock together.
• Birds of a feather flock together.
• There's two old adages: "Birds of a feather flock together." And "Opposites attract."
• Birds of a feather flock together.
• Ruth and Esteban have been inseparable since they discovered their shared love of classic comics. - What can I say? Birds of a feather flock together.
• Juan is hanging out with a bunch of junkies. Do you think he might be an addict too? - Birds of a feather flock together.
• Mr President, birds of a feather flock together.
• Another possibility, very obvious, is homophily, or, birds of a feather flock together; here, I form my tie to you because you and I share a similar body size.
• Believe me, Amy is a cool girl. People say that birds of a feather flock together, but she is not like her conceited friends in the least.