Who said "I choose to believe that people can change."?

This quote is attributed to Arrow.

I choose to believe that people can change. - Arrow

"I choose to believe that people can change."

Arrow Faith

"My name is Oliver Queen. After five years in hell, I have come home with only one goal: to save my city."

"I'm not the man I was."

"You have failed this city."

"I'm a monster."

"Faith guides me through difficult times."

"Faith is believing when you can't see."

"You have to believe in something, or you'll fall for anything."

"Faith in God and in each other is what sustains us"