“Just because you don't believe in something does not mean that it's not true.”
“Just because you don't believe it[] [...]doesn't mean that it's not true.”
“Just because you don't know something doesn't mean it's not true.”
“If it's true, does it have to be nice? If you have something true to say, but you don't say it because you just want to be nice, isn't that sort of like a lie?”
“But remember. Just because you don't believe in something doesn't mean it isn't real.”
“Just because you don't understand something doesn't mean that it's nonsense.”