Answer:
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around
I have a neck but no head. I have a body but no arm. I have a bottom but no leg.
What is up thatβs also down? Whatβs a smile and a frown?
Who makes it, has no need of it. Who buys it, has no use for it. Who uses it can neither see nor feel it. What is it?
Two bodies have I, though both joined in one. The more still I stand, the quicker I run.
Part carbon part water I am poison to the fishes. Many falsely claim my name I am the pause that refreshes.