Answer:
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down but should not be forgotten.
You are my brother, but I am not your brother. Who am I?
What has 3 feet but no toes?
Why did the computer keep sneezing?
I am the key that is the hardest to turn
What did the piece of wood say when he saw the screwdriver and screws approaching?