Answer:
Jack and Jill when up the hill jack fell down
You heart it speak, for it has a hard tongue. But it cannot breathe, for it has not a lung.
I have three hundred cattle, with a single nose cord
A beacon from home to guide your way. It can be a lifesaver on a stormy day. What is it?
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.
Iβm grown from darkness but shine with a pale light. Very round I am and always a lady's delight.