Who said "The mind without restraint is the only true liberation."?

This quote is attributed to Riddler.

The mind without restraint is the only true liberation. - Riddler

"The mind without restraint is the only true liberation."

Riddler Freedom

"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."

"Freedom to pursue your passion is precious."

"Freedom comes at a cost."

"Order isn't restriction. It's freedom."

"Freedom comes with responsibility"