Answer:
A cowboy rode into Friday. He stayed in town for three days and rode back on friday. How is that possible?
A man calls his dog from the opposite side of the river. The dog crosses the river without getting wet, and without using a bridge or boat. How?
They have not flesh, nor feathers, nor scales, nor bone. Yet they have fingers and thumbs of their own.
I can move even when you are still. I can be one or many.
What moves without seeing and cries without eyes?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.