Answer:
It holds no blessings in disguise. Its rhymes are aimed at your demise, it's cast only to ruin, Whatever you are doin'.
I am believed to be only one dimensional, and tinier than anything can be, and there are many who say that I am the basis of all that we see. What am I?
What flies forever, Rests never?
Bright as diamonds, Loud as thunder, Never still, A thing of wonder.
What bird can lift the heaviest weight?
You use it between your head and your toes, the more it works the thinner it grows.