Theory:

The poem has three stanzas, and each talks about the beautiful things that could be seen, heard, and felt through the heart, respectively. The first stanza talks about the beautiful things that could be seen in the day time, such as the trees, birds, people working in the fields, or them dancing for the harvest. The second stanza talks about the wonderful things that could be heard through the night, such as the wind sighing, rain falling, or an earnest song by a singer. The third stanza talks about how the beauty is inside us. Doing good deeds and having happy thoughts while working, dreaming, and resting will make us even more beautiful. Thus, the poem describes how beauty is present around and within us.
 
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