Answer:
It comes only before, it comes only after. Rises only in darkness, but rises only in light. It is always the same, but is yet always different.
A cowboy rode into Friday. He stayed in town for three days and rode back on friday. How is that possible?
What stays on the ground but never gets dirty?
What is it that has four legs, one head, and a foot?
Hoofed frolicking.
I will disappear every time you say my name.