\textbf{61--} The noble verse $\langle$ \textit{أَمْ يَقُولُونَ افْتَرَاهُ قُلْ فَأْتُوا بِسُورَةٍ مِثْلِهِ} $\rangle$ refers to which topic and which cause of the influence of the Qur'an on minds and hearts throughout history?
\begin{itemize}
\item[(1)] Challenge -- harmony of verses with each other \hfill (2) Distortion -- harmony of verses with each other
\item[(3)] Challenge -- consistency of expressions with the existence of brevity \hfill (4) Distortion -- consistency of expressions with the existence of brevity
\end{itemize}
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