Answer:
They're big and blue, and larger than seas
Words come out of it, aligned in perfect silence. A messenger of black on white, a slinky fellow drawing lines, of thin and soft graphite
I always run but never walk, often murmur, never talk, have a bed but never sleep, have a mouth but never eat. Who am I?
Boxers do this for a living and kids do it in the backseat for free
Shorter than my four siblings, but easily the strongest, Sometimes I wear a funny hat.
Iām grown from darkness but shine with a pale light. Very round I am and always a lady's delight.