Answer:
What's a place you have left but didn't enter?
You must keep this thing. Its loss will affect your brothers. For once yours is lost, it will soon be lost by others.
In Paris but not in France, the thinnest of its siblings.
We hurt without moving. We poison without touching. We bear the truth and the lies. We are not to be judged by our size.What are we?
What stays the same size no matter how much they weight?
What is always coming but never arrives?