Answer:
What is long and slim, works in light. Has but one eye, and an awful bite?
I cannot be other than what I am, until the man who made me dies. Power and glory will fall to me finally. Only when he last closes his eyes.
What is weightless but it needs two person to hold it?
Fatherless and motherless. Born without sin, roared when it came into the world. And never spoke again.
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?
What is always coming but never arrives?