takes one to know one

It takes one to know one, of course: Nearly 40 years after Armstrong and bassist Mike Dirnt founded the Bay Area trio in 1987, Green Day is as polished and reliable a rock band as any on the road these days.

He said it takes one to know one.

I guess you could say, it takes one to know one.

Well, first of all, Dean, it takes one to know one.

“These people have done horrible things. They’re criminals. But it takes one to know one.”