Answer:
Two brothers we are, great burdens we bear. All day we are bitterly pressed. Yet this I will say, we are full all the day, and empty when go to rest.
Dies half its life. Lives the rest. Dances without music. Breathes without breath.
Being able to interpret the letters on this screen proves that you have this quality.
What type of bar gets you wet walking in and out of it but keeps you dry inside?
Two in a whole and four in a pair. And six in a trio you see. And eight's a quartet but what you must get. Is the name that fits just one of me?
What flies without wings?