Answer:
Three lives have I. Gentle enough to soothe the skin. Light enough to caress the sky. Hard enough to crack rocks.
They're up near the sky, on something very tall. Sometimes they die, only then do they fall.
I have four wings but cannot fly. I never laugh and never cry. On the same spot always found, toiling away with little sound.
It's got twists and turns, but has no curves. Twist it to fix it, turn it to ruin it. What is it?
I am nothing really at all, Yet I am easily foundΝΎ Ignore me at your own peril, and you might end up crowned!
What is always coming but never arrives?