Answer:
With sharp edged wit and pointed poise. It can settle disputes without making a noise.
Why is 6 afraid of 7?
The more you take, the more you leave behind. What are they?
We are two brothers on opposite sides of the road, but we never see each other. Who are we?
A big shiny black car nobody wants to be a passenger in.
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.