Who said "I've seen what desperation can do to people."?

This quote is attributed to Batman (1989).

I've seen what desperation can do to people. - Batman (1989)

"I've seen what desperation can do to people."

Batman (1989) Wisdom

"It's not who I am underneath, but what I do that defines me."

"I am vengeance, I am the night, I am Batman."

"Criminals are a superstitious and cowardly lot."

"I have one rule."

"I'm not angry, I'm just disappointed."

"The best things in life are free."

"You can't have everything in life, but you can have what matters most."

"A woman's intuition is rarely wrong."