Answer:
I am rarely touched but often held. If you are smart you'll use me well. What am I?
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?
The more you have of it the less you see. What is it?
What building has the most stories?
I carry you down a gentle stream.
What made Cyclops quit teaching?