Answer:
What is born on the ground but floats to the sky, to be returned back again from the clouds up high?
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
What has only two words, but thousands of letters?
What is so delicate that even mentioning it breaks it?
Most people need it, some ask for it, some give it, but almost nobody takes it. What is it?
When is it bad luck to see a black cat?