I think you'll find - A sneaky way to say the other person is so clueless it's lik

A sneaky way to say the other person is so clueless it's like they were born in a sewer and never saw the sun.

I think you'll find that the moon doesn't glow in the dark like a disco ball.

I think you'll find that you can't breathe underwater unless you're a fish.

I think you'll find that a chicken doesn't lay eggs on a Monday unless it's on vacation.