Answer:
This guy crossed a road and everyone wants an explanation.
I am constantly overlooked by everyone but everyone has me.
I am whole but incomplete. I have no eyes, yet I see. My largest part is one fourth of what I once was. What am I?
The more I dry, the wetter I get. What am I?
Taken from a mine and then locked up in a wooden case. I am used by students everyday.
What made Cyclops quit teaching?