Answer:
What has six faces and twenty-one eyes?
At first, I am nothing. Add something to negate. Add again to oppose. Add again to find the time to draw. Add once more to find nobody at all.
What gets beaten, and whipped, but never cries?
What measures out time until in time all is smashed to it?
When they are caught, they are thrown away. When they escape, you itch all day.
Sometimes I am white, sometimes I am dark. Most people love me. What am I?