The central idea of the poem is virtue. The poet uses a sparrow's demand for the fruit to depict the usefulness of the tree.
How is this so?Note that in the above text "A sparrow, a sparrow, perched on a tree by the side of a rice paddy. If life is not virtuous, it's like a tree that doesn't bear fruit."
The writer states that if life is not virtuous or good, or pleasant, then it does not bear fruit.
Thus, the argument of the writer is that anything that must result in a positive outcome from come from a place of virtue and that virtue must be evident for the service of all.
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