"There is nothing to keep him from going home so far as we are concerned, sir," Prof answered, "although your police here on Terra might cause him to think. But I’ve never heard of a consignee arriving with funds enough to buy a ticket home. Is this truly an issue? The ships are yours; Luna has no ships—and let me add that we are sorry that the ship scheduled for Luna this month was canceled. I am not complaining that it forced on my colleague and myself—Prof stopped to smile—a most informal method of travel. I simply hope that this does not represent policy. Luna has no quarrel with you; your ships are welcome, your trade is welcome, we are at peace and wish to stay so. Please note that all scheduled grain shipments have come through on time."