Interesting answer....

What is enlightenment?

'Kant answers the question quite succinctly in the first sentence of the essay: “Enlightenment is man’s emergence from his self-incurred immaturity.” ..... He continues that the immaturity is self-inflicted not from a lack of understanding, but from the lack of courage to use one’s reason, intellect, and wisdom without the guidance of another. Our fear of thinking for ourselves. He exclaims that the motto of enlightenment is “Sapere aude”! – Dare to be wise!"

Check out article here.