Darkness is the lack of knowledge and understanding.
Today it is hard to imagine a world without books and all the other communication media we take for granted. Where many are illiterate with no means of communication except verbal exchange, the few have historically chosen to control the thoughts and actions of others. The unparalleled communication that we enjoy today should completely have eliminated this possibility. Unfortunately, the will to power, greed and control is still an aspect of our nature. The essential necessities one must acquire is Thinking and Discernment.