Answer:
What's black when you get it, red when you use it, and white when you're all through with it?
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?
What wears a coat in the winter and pants in the summer?
This is needed both for courage and hardcover books.
What grows in winter, dies in summer, and grows roots upward?
If it’s information you seek, come and see me. If it’s pairs of letters you need, I have consecutively three. What am I?