The idiom 'With patience and calm, even a burro can climb a palm' means that anything can be accomplished with perseverance and a positive approach.
The idiom underlined in the excerpt, 'With patience and calm, even a burro can climb a palm,' means that anything can be accomplished with perseverance and a positive approach. This saying implies that even the seemingly impossible can be achieved with the right attitude and effort, much like a donkey being able to climb a palm tree given enough time and determination.
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