Fred was driving home from one of his business trips, in Northern Arizona , when he saw an elderly Navajo man walking on the side of the road.
As the trip was a long and quiet one, he stopped the car and asked the Navajo man if he would like a ride.
With a silent nod of thanks, the Indian got into the car.
Resuming the journey, Fred tried - in vain - to make a bit of small talk with the Navajo man. The old man just sat silently, looking intently at everything he saw, studying every little detail, until he noticed a brown bag on the seat next to Fred.
"What in bag?" asked the old man.
Fred looked down at the brown bag and said: "It's a bottle of wine. I got it for my wife."
The Navajo man was silent for another moment or two. Then, speaking with the quiet wisdom of an elder, he said:
"Good trade . . ..."