Answer :
The purpose of including the sentence is to criticize people who treat others cruelly.
In the given options, the sentence does not condemn the insincerity of critics' advice, contrast the motivations of people in power, or explain the need for mutual understanding. Instead, it focuses on criticizing individuals who engage in cruel treatment toward others.
By including this sentence, the author seeks to bring attention to the negative actions and behavior of these individuals, emphasizing the importance of empathy, compassion, and respectful treatment of others. It serves as a critique of those who exhibit cruelty and highlights the author's stance against such behavior.
The sentence contributes to the overall message or theme of the text by highlighting the need for kindness and respect in human interactions. It calls attention to the negative consequences of treating others cruelly and implicitly promotes a more compassionate and understanding approach.
The author may intend to evoke a sense of empathy in the readers and prompt reflection on their own behavior and treatment of others. By criticizing those who engage in cruelty, the author aims to encourage a more harmonious and empathetic society.
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The complete question is:
What is the author’s purpose for including this sentence? To condemn the insincerity of his critics’ advice to contrast the motivations of people in power to explain the need for mutual understanding to criticize people who treat others cruelly.