Answer:
What lies in a tunnel of darkness. That can only attack when pulled back?
Voiceless it cries, wingless flutters, toothless bites, mouthless mutters.
What has roots as nobody sees, is taller than trees. Up, up it goes, and yet never grows?
I can be written, I can be spoken, I can be exposed, I can be broken.
As destructive as life, As healing as death; An institutioner of strife, Just as prone to bless. It is all that is good, Yet with an evil trend; As it was the beginning of things, It can also be the end.
If I say "everything I tell you is a lie", am I telling you the truth or a lie?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?