Who said "Ideas are the currency of a thinking person."?

This quote is attributed to King Azaz.

Ideas are the currency of a thinking person. - King Azaz

"Ideas are the currency of a thinking person."

King Azaz Philosophy

Character in The Phantom Tollbooth

Buy "The Phantom Tollbooth" on Amazon

"Words can be commended, debased, or ignored, but they cannot be reversed."

"You can never be too careful when choosing the words you use."

"Words are such wonderful things."

"Let me see your mind."

"I've seen the worst humanity has to offer."

"Sometimes I wonder if the world is worth saving."

"Every choice shapes our destiny."

"Order is the foundation of a good life."