Who said "Beauty isn't about appearance—it's about character."?

This quote is attributed to The Flash (DCEU).

Beauty isn't about appearance—it's about character. - The Flash (DCEU)

"Beauty isn't about appearance—it's about character."

The Flash (DCEU) Beauty

"I'm fast. Really fast."

"Time moves differently when you're moving at super speed."

"You gotta embrace what makes you different."

"Running away isn't always the answer, even when you're fast enough to do it."

"Beauty comes in many forms."

"Beauty comes from within."

"True beauty lies in authenticity."

"Beauty exists in the most unexpected places."