Answer:
Though blind as well, can lead the blind well.
What is as big as you are and yet does not weight anything?
I know a word of letters three. Add two, and fewer there will be!
All about the house, with his lady he dances, yet he always works, and never romances.
I am the outstretched fingers that seize and hold the wind. Wisdom flows from me in other hands. Upon me are sweet dreams, my merest touch brings laughter
What covers its face with its hands, speaks no language, yet most known what it's saying?