Who said "Every life matters, no matter how fast you're moving."?

This quote is attributed to The Flash (DCEU).

Every life matters, no matter how fast you're moving. - The Flash (DCEU)

"Every life matters, no matter how fast you're moving."

The Flash (DCEU) Justice

"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."

"Justice must always prevail."

"You think I'm just some animal?"

"Fighting for what's right never gets easier."

"Justice is worth fighting for."