Answer:
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
What kind of cheese is made backwards?
In a tunnel of darkness lies a beast of iron. I can only attack when pulled back. What am I?
I am a king who's good at measuring stuff.
Born of sorrow, grows with age, you need a lot to be a sage. What is it?
Of these things - I have two. One for me - and one for you. And when you ask about the price, I simply smile and nod twice.