This song is mostly just Tevye's thoughts, and processing Tzeitel and Motel's move away from tradition. His lamenting turns into acceptance, when he sees that they make each other happy.

 

Throughout the play, however, his concerns about "where does it stop?" in terms of losing tradition only worsen. Ultimately, it likely doesn't need much analyzing. 

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However, as a bit of added depth, King Solomon, who Tevye uses as a contrast to Motel, was known for his wisdom and wealth. You can read about him here.