Who said "I've seen what greed does, and it's never pretty."?

This quote is attributed to The Flash (DCEU).

I've seen what greed does, and it's never pretty. - The Flash (DCEU)

"I've seen what greed does, and it's never pretty."

The Flash (DCEU) Money

"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."

"Money is important, but it's not everything"

"Money doesn't buy happiness, but it buys things that make you forget you're unhappy."

"Money isn't everything."

"Money is meaningless without purpose."