Answer:
What grows in winter, dies in summer, and grows roots upward?
Whoever makes it, tells it not. Whoever takes it, knows it not. Whoever knows it, wants it not
What measures out time. Until in time all is smashed to it?
To cross the water I'm the way, for water I'm above. I touch it not and, truth to say, I neither swim nor move.
What has 13 hearts but none beat?
When is it bad luck to see a black cat?