Answer:
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?
I am a precious stone, as clear as a diamond. Though you can walk on water with my power, try to keep me, and I'll vanish in an hour. What am I?
What goes up and down but does not move?
I have 24 keys but cannot open any locks. Sometimes loud sometimes soft
I have thirteen hearts but no body or soul.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?