Answer:
What gets wet while drying?
What is up that’s also down? What’s a smile and a frown?
Give it food and it will live, give it water and it will die.
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat. And your heart grow cold. I visit the weak, but seldom the bold.
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 boon One empty, and one full.
What did the piece of wood say when he saw the screwdriver and screws approaching?