Answer:
A beggar's brother went out to sea and drowned. But the man who drowned had no brother. Who was the beggar to the man who drowned?
Different lights do make me strange, thus into different sizes I will change.
I scribble forms of the finest letter, And repel elements of the harshest weather. I am an arrow-aimer and a dust-breaker.
Large as a mountain, small as a pea, Endlessly swimming in a water-less sea.
My first is high, My second damp, My whole a tie, A writer's cramp
What sphinxes employ and players enjoy.