In 2011, the swimmer Diana Nyad gave a TED Talk in which she described how she had tried to do what no one had ever achieved, to swim from Cuba to Florida. She had tried on three occasions, sometimes persisting for 50 hours of constant swimming, braving dangerous currents and near-lethal jellyfish stings, but ultimately failing. At the end of her talk she electrified the audience by saying this: That ocean’s still there. This hope is still alive. And I don’t want to be the crazy woman who does it for years and years and years, and tries and fails and tries and fails and tries and fails . . .
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