Answer:
Slayer of regrets, old and new, sought by many, found by few.
When the son of the water returns to the parent, it dies. What is it?
I never was but always will be. No one ever saw me but everyone knows I exist. I give people the motivation to better themselves every day. What am I?
What is that which, though black itself, enlightens the world without burning?
I am a precious little thing, dancing and eating all the time. Watch me from a distance, so you can feel my warm and gentle love. But don't come to close or my next meal you could be!
What covers its face with its hands, speaks no language, yet most known what it's saying?