A vessel had been sailing near the northeastern coast of South America, when, due in part to miscalculation and in part to accident, the ship's crew had lost their bearings and did not know where they were. Soon after, they ran out of fresh water. Day after day they had drifted on under the scorching rays of a tropical sun until at last the exhausted sailors lay on the deck totally unable to guide the vessel. When hope had died out of every heart, the sail of a ship appeared on the horizon. It was seen by one of the sailors, who, with supreme effort, shouted "Water, water; give us water; we are dying of thirst!" Quickly and distinctly came back the answer, "Dip it up!" It seemed like a mockery, but they obeyed. The water was fresh! They had been drifting for days within the mouth of the Amazon where the ocean meets the fresh water. They had been dying of thirst while surrounded by fresh water on every side! The joy, and also the surprise, of these poor sailors b...