Answer:
It holds most knowledge that has ever been said. But is not the brain, is not the head. To feathers and their masters, it's both bane and boon One empty, and one full.
Sleeping during the day, I hide away. Watchful through the night, I open at dawn's light. But only for the briefest time, do I shine. And then I hide away. And sleep through the day.
What is it that you must give before you can keep it.
Be sure to shout for its answers are weak, but there is no language it cannot speak.
I bubble and laugh and spit water in your face. I am no lady, and I don't wear lace.
What do angels sing in the shower?