Who said "Strength isn't just physical—it's mental and emotional."?

This quote is attributed to Billy Batson.

Strength isn't just physical—it's mental and emotional. - Billy Batson

"Strength isn't just physical—it's mental and emotional."

Billy Batson Strength

"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."

"Strength comes from within."

"A woman should be proud of who she is."

"A strong woman can overcome anything."

"The only thing I'm good at is killing."