"Black mare with Black wings; Black feathers dance in the wind like knives; a Nightmare in a snowstorm sings; shrieks a mighty sharp note; the most beautiful things in the world are make-believe, with wings. Blackjack by via deviantART.
Teachers open the Door . but You must enter by yourself . that you will not even know a door is shut (let alone exists), until it swings open; only then in hindsight will you Know that you were 'shut out' and Why .