... if you're not looking for it.
Which is why we need to have our eyes open. And why it's okay to read something you don't agree with (or maybe you flat-out disagree with it.)
Engaging other worldviews and thought processes doesn't cheapen yours. (And believe me when I say I have 100% confidence my worldview is correct.) But hearing and considering other people's ideas, big or small, helps refine and strengthen your own.
And maybe, just maybe, you'll find out something you didn't know.