Answer:
Can not be bought, Can not be sold, Even if it's made of gold. What is it?
Some will use me, others not. Some have remembered, others forgot. For profit or gain, I'm used expertly. I can't be picked off the ground or tossed into the sea. What am I?
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 everyday
I can be written, I can be spoken, I can be exposed, I can be broken. What am I?
What's made of water but if you put it into water it will die?
What made Cyclops quit teaching?