\textbf{28.} \textbf{« مفتاح الهدوء هو أن تعلم أنّه لا أثر لرأي الآخرين في حياتنا»:}
\begin{enumerate}
\item The key to calmness is that others' opinions in life have no effect on us!
\item The key to calmness means knowing that others' opinions have no effect on our life!
\item The key to calmness is that we know others' opinions have no effect in our life!
\item The key to calmness is that we know others' opinions have no effect in life!
\end{enumerate}