you can't judge a book by its cover
(redirected from you can't judge a book by the cover)don't judge a book by its cover
Don't base your opinion of something (or someone) on the way it (or one) looks. This report may look dull, but don't judge a book by its cover—I will have you riveted by the facts and figures in no time! I know she's a little frumpy, but don't judge a book by its cover, man!
you can't judge a book by its cover
It is unfair to judge the true qualities or characteristics of someone or something just by assessing superficial details alone. He seemed like a bit of a jerk to me, but I guess you can't judge a book by its cover.
you can't judge a book by its cover
oryou can't judge a book by the cover
You say you can't judge a book by its cover or you can't judge a book by the cover to mean that you should not judge someone or something by what they look like or what they seem like at first. If he loves her I'm happy for them. You can't judge a book by its cover. We may say that we don't believe in judging a book by the cover, but research has shown that we do, over and over again.