Answer:
What is long and slim, works in light. Has but one eye, and an awful bite?
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
Being able to interpret the letters on this screen proves that you have this quality.
What instrument can make any sound and be heart, but not touched or seen?
By the way, what never moves, wears shoes, sandals and boots, but has no feet?
you hold my tail while I fish for you