Answer:
Fatherless and Motherless, born without sin. Roared when it entered the world, And never spoke again.
I am a word of letters three. Add two and fewer there will be. What word am I?
I look at you, you look at me. I raise my right, you raise your left. What am I?
I am a portal to another world which you cannot enter. Only you can see me but I can't see you.
Crooked as a rainbow and slick as a plate ten thousand horses can't pull me straight.
The answer I give is yes, but what I mean is no. What was the question?