No books, just raw knowledge. The mind is the proverbial sponge, fed by our senses five. Between madness and insanity lurks the truth. The only fear we have in life is the truth. To express fear is our prerogative.
Perception is the key.
There are many keys in life. Every great entity possesses and continually adds to a key-ring. They open the doors in the castle of wisdom, leading to the ivory tower of a sage and seer. Confusion is a temporal state of being.