Answer:
The more you have me, the less you see. Shine a light on me and I flee. What am I?
What has one eye but cannot see?
Adored by few, feared and hated by many. Mistress of the entire universal reason, master in the art of numbers. Some may have solved many of my mysteries, but there are still many of them to find. What am I?
I am your most powerful weapon; I come before your eyes. I help you seek the truth, yet I often give you lies. What am I?
Tear off my skin. I won't cry, but you will. What am I?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?