Answer:
In your fire you hear me scream, creaking and whining, yet I am dead before you lay me in your hearth.
Who is it that rows quickly with four oars, but never comes out from under his own roof?
I cost no money to use, or conscious effort to take part of. And as far as you can see, there is nothing to me. But without me, you are dead.
Five men were eating apples, A finished before B, but behind C. D finished before E, but behind B. What was the finishing order?
Slayer of regrets, old and new, sought by many, found by few.
What did the piece of wood say when he saw the screwdriver and screws approaching?