Jules Verne

“ We all stared at the captain as though he were mocking us: no land was in sight, and the raft, just as ever, was the center of a watery waste. Yet our senses had not deceived us; the water we had been drinking was perfectly fresh.
"Yes," repeated the captain, "land is certainly there, not more than twenty miles to leeward."
"What land?" inquired the boatswain.
"South America," answered Curtis, "and near the Amazon; no other river has a current strong enough to freshen the ocean twenty miles from shore!" ”