Answer:
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
You can have it, and be at it, But it never lasts forever.
What is something you can hold without ever touching?
Glittering points that downward thrust. Sparkling spears that do not rust. What is it?
What is it that leaps and runs and yet, has no feet?
Black we are and much admired. Many seek us if they are tired. We tire the horse, and comfort man, and turn White when we've fulfilled your plan.