“What is the position of your tongue in your mouth? Once you are asked the question you can answer it – but presumably you were not aware of the answer until you asked yourself. The brain generally does not need to know most things; it merely knows how to go out and retrieve the data. It computes on a need-to-know basis.”

“What is the position of your tongue in your mouth? Once you are asked the question you can answer it – but presumably you were not aware of the answer until you asked yourself. The brain generally does not need to know most things; it merely knows how to go out and retrieve the data. It computes on a need-to-know basis.”

— David Eagleman