Answer:
Man walks over, and man swims under. In times of war, it can be burned asunder. What is it?
What do people want the least on their hands?
There is one word that stands the test of time and holds fast to the center of everything. Though everyone will try at least once in their life to move around this word, but in fact, unknowingly, they use it every moment of the day. Young or old, awake or in sleep, human or animal, this word stands fast. It belongs to everyone, to all living things, but no one can master it. The word is?
Who eats a lot of iron without getting sick?
What makes a loud noise when changing its jacket, becomes larger but weighs less?
What is always coming but never arrives?