Who said "Hope is the belief that tomorrow's riddles are solvable."?

This quote is attributed to Riddler.

Hope is the belief that tomorrow's riddles are solvable. - Riddler

"Hope is the belief that tomorrow's riddles are solvable."

Riddler Hope

"Riddles are the most honest form of communication - they demand truth wrapped in mystery."

"A mind that cannot solve a puzzle is a mind that cannot live."

"Questions are the doorway to knowledge, answers are merely the threshold."

"The greatest riddle is why people fear enlightenment."

"Every day is a new opportunity."

"Hope is what gets us through difficult times."

"I'm not your enemy, kid. I'm trying to save you."

"Redemption is a long road."