Answer:
I'm white, I'm round, but not always around. Sometimes you see me, sometimes you don't.
Fatherless and motherless. Born without sin, roared when it came into the world. And never spoke again.
I am whole but incomplete. I have no eyes, yet I see. You can see, and see right through me. My largest part is one fourth of what I once was.
My first is a creature whose breeding is unclear. My second, a price you must pay. My whole can be found in the river of Time and refers to events of today.
I never was, am always to be. No one ever saw me, nor ever will. And yet I am the confidence of all, To live and breath on this terrestrial ball.
What language does a billboard speak?