Answer:
Two horses, swiftest traveling, harnessed in a pair, and grazing ever in places. Distant from them.
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?
What goes around the world and stays in a corner?
Until I am measured I am not known, Yet how you miss me when I have flown.
When young, I am sweet in the sun. When middle-aged, I make you gay. When old, I am valued more than ever.
Within, I clean all that is bad and is old. I make juice thatβs the color of gold. Should I die, a filter machine would you need assembled to replace me and beans I resemble.