Mephistopheles

Take my hand,

And you’ll see

How madness is true sanity

"Thus everything that your terms, sin,

Destruction, evil represent—

That is my proper element."

Faust: Who are you then?

Mephistopheles: I am part of that power which eternally wills evil and eternally works good."

Who am I? 

Who AM I?

I am your self after the end

perishing wretchedly with each step you take upon the flesh of earth evert