Answer:
Turns us on our backs, and open up our stomachs. You will be the wisest of men though at start a lummox.
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.
I don't have eyes, but once I did see. Once I had thoughts, but now I'm white and empty.
I crawl on the earth. And rise on a pillar.
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.