Courtesy is the one coin you can never have too much of or be stingy with.
The only currency I value is the coin of the spirit. That's very important in my life.
Silver and gold are not the only coin; virtue too passes current all over the world.
We operate under a jury system in this country, and as much as we complain about it, we have to admit that we know of no better system, except possibly flipping a coin.