Answer:
Left to right Iβm quite bright. Right to left I might bite.
Crooked as a rainbow, and slick as a plate, Ten thousand horses can't pull it straight.
We are all around, yet to us you are half blind. Sunlight makes us invisible, and difficult to find
As light as a feather, but you canβt hold it for ten minutes.
I walked and walked and at last I got it. I didn't want it. So I stopped and looked for it. When I found it, I threw it away.
The more that there is of this, the less you see. What is it?