Answer:
What invention lets you look right through a wall?
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 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
What can fill a room but takes up no space?
What word begins and ends with an E, but only has one letter?
The answer I give is yes, but what I mean is no. What was the question?