if you believe that, you’ll believe anything

idiomPart ofbelieve

if you believe that, you’ll believe anything — idiom

1. Used to say that someone is foolish to believe something that is obviously not t

1.idiom
Definition

Used to say that someone is foolish to believe something that is obviously not true.

Example

He said he saw a UFO. If you believe that, you'll believe anything.

She claims she can fly. If you believe that, you'll believe anything.