Answer:
Light hides me and darkness kills me. What am I?
I have no voice but I can teach you all there is to know. I have spines and hinges but I am not a door. Once I’ve told you all I cannot tell you more.
I am easy to waste. I am unstoppable. What am I?
In buckles or lace I help set the pace. The farther you go the thinner I grow.
I can go through glass without breaking it. What am I?
For our ambrosia we were blessed, By Jupiter, with a sting of death. Though our might, to some is jest, We have quelled the dragon's breath. Who are we?