Answer:
You eat something you neither plant nor plow. It is the son of water, but if water touches it, it dies.
When can someone truthfully tell someone โwell doneโ but think they did a bad job?
I am seen in the water. If seen in the sky, I am in the rainbow, a jay's feather, and lapis lazuli.
It holds most knowledge that has ever been said. But is not the brain, is not the head. To feathers and their masters, it's both bane and boonย One empty, and one full.
Tool of thief, toy of queen. Always used to be unseen. Sign of joy, sign of sorrow. Giving all likeness borrowed.
You use it between your head and your toes, the more it works the thinner it grows.