I would posit that some Hobbits are stronger in mind then some men. Take for example Beren. He held a silmaril and wanted it not for himself. Wouldn't that be more of a temptation than the ring? It seems so if you look at the problems caused by a desire for the silmaril. Yet Beren, unlike Frodo, gave it up willingly.
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“I wish it need not have happened in my time," said Frodo.
"So do I," said Gandalf, "and so do all who live to see such times. But that is not for them to decide. All we have to decide is what to do with the time that is given us.”
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