Prince Rahul's Key Ideas from An Answer to the Question: 'What is Enlightenment?'
by Immanuel Kant

Enlightenment is man's emergence from his self-imposed immaturity. Immaturity is the inability to use one’s understanding without guidance from another. This immaturity is self-imposed when its cause lies not in lack of understanding, but in lack of resolve and courage to use it without guidance from another.

Sapere Aude!! (Dare to know) “Have courage to use your own understanding!”--that is the motto of enlightenment.