Answer:
In many years, not much has happened. In many minutes, a lot has happened. In one second, everything has happened.
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 boonΒ One empty, and one full.
When they are caught, they are thrown away. When they escape, you itch all day.
What do you have when you're sitting down that you don't have when you're standing up?
What has three feet but no arms or legs?
Why was the cook arrested?