During one of his expeditions to the Antarctic, Sir Ernest Shackleton left some of his men on Elephant Island with the intent of returning for them and carrying them back to England. But he was delayed. By the time he could go back for them the sea had frozen and he had no access to the island. Three times he tried to reach them but was prevented by the ice. Finally, on his fourth try, he broke through and found a narrow channel.
Much to his surprise, he found the crewmen waiting for him, supplies packed and ready to board. They were soon on their way back to England. He asked them how they knew to be ready for him. They told him they didn’t know when he would return, but they were sure he
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