Answer:
I'm light as a feather, yet the strongest man can't hold me for more than 5 minutes.
I scribble forms of the finest letter, And repel elements of the harshest weather. I am an arrow-aimer and a dust-breaker.
What is the heart of many risks, has a heart, but is not a living being?
I have split the one into five. I am the circle that few will spy. I am the path that breaks and gives. I am the bow no man may bend.
In the land of the green glass door there are riddles but no answers, sheets but no blankets, and books but no words. Name something found in the land of the green glass door.
What is so fragile that saying its name breaks it?