Who said "Time travel taught me that the past shapes who we are."?

This quote is attributed to The Flash (DCEU).

Time travel taught me that the past shapes who we are. - The Flash (DCEU)

"Time travel taught me that the past shapes who we are."

The Flash (DCEU) History

"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."

"I've seen a lot of things in my time."

"That's how we archaeologists tell time."

"We must learn from history or be doomed to repeat it."

"Every artifact tells a story."