Who said "Ignorance is no excuse for not learning better."?

This quote is attributed to King Azaz.

Ignorance is no excuse for not learning better. - King Azaz

"Ignorance is no excuse for not learning better."

King Azaz Education

Character in The Phantom Tollbooth

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"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."

"Education opens doors."

"Education opens doors to endless possibilities."

"I ain't got the education you got, bub."

"You can't put a price on history."