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 boonΒ One empty, and one full.
how many letters are there in the alphabet
Weight in my belly, Trees on my back, I travel fast in my place, but feet is a feature I lack
I grow where no flower grows, where no light touches the walls, up or down, that I don't care, was here before people were.
Break it and it is better, immediately set and harder to break again
What did the bodybuilder say when he opened his tub of protein powder?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?