Who said "Powers come and go, but who you are inside lasts forever."?

This quote is attributed to Billy Batson.

Powers come and go, but who you are inside lasts forever. - Billy Batson

"Powers come and go, but who you are inside lasts forever."

Billy Batson Truth

"Shazam!"

"I'm just a kid who got struck by lightning and can turn into an adult superhero. How cool is that?"

"With great power comes great responsibility."

"Sometimes the greatest strength comes from believing in yourself."

"Lucy, you got some 'splainin' to do!"

"You must always be honest with the people you love."

"Truth always comes out in the end."

"Honesty is always the best policy."