The greatest obstacle to discovery is not ignorance - it is the illusion of knowledge.
— Daniel J. Boorstin

Opinion is the medium between knowledge and ignorance.
Plato ignorant quote

Ignorant quotes
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Every time you suppress some part of yourself or allow others to play you small, you are in essence ignoring the owner's manual your creator gave you and destroying your design.
— Oprah Winfrey

Nothing in the world is more dangerous than sincere ignorance and conscientious stupidity.
— Martin Luther King, Jr.

First they ignore you, then they laugh at you, then they fight you, then you win.
— ignorant quotation by Mahatma Gandhi