Answer:
Today he is there to trip you up. And he will torture you tomorrow. Yet he is also there to ease the pain, when you are lost in grief and sorrow.
A horrid monster hides from the day, with many legs and many eyes. With silver chains it catches prey. And eats it all before it dies. Yet in every cottage does it stay. And every castle beneath the sky.
What grows in winter, dies in summer, and grows roots upward?
What has one eye but cannot see?
What is the thing which, once poured out, cannot be gathered again?
Brings the sky a lot closer.