Answer:
What is the thing that stays the same size, but the more it's used the more it decreases?
What is lengthened by being cut at both ends?
Many have heard it, but nobody has ever seen it. It will not speak until spoken to. What is it?
Four of us are in your field, But our differences keep us at yield, First, a one that is no fool, Though he resembles a gardenerโs tool, Next, one difficult to split in two, And a girl once had one as big as her shoe, Then, to the mind, oneโs a lovely bonder, And truancy makes it grow fonder, Last, a stem connecting dots of three
The man who invented it doesn't want it. The man who bought it doesn't need it. The man who needs it doesn't know it. What is it?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.