Answer:
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.
What goes up when the rain comes down?
A type of hammer that brings a room to order.
It is the assumed nocturnal symbol of Mr. Wayne. What is it?
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
It rows quickly with four oars but never comes out from under his own roof. What is it?