And it can only be easy for remembrance if it can be understood, so that a person may recall its meaning and remind others of what he himself has been reminded of. Speech that is neither understood nor capable of being understood cannot serve as a reminder to anyone. It is not a reminder at all, let alone something made easy for remembrance.
The eleventh is His saying, Most High:
“We have not sent any messenger except in the language of his people, so that he might make things clear to them.” [Ibrāhīm 4]
Thus, He sent the messenger speaking his people’s language so that he might explain to them what he was sent with. It is well known that, had he addressed them in another language and translated it for them, the purpose would have been achieved. Addressing them in their own language was therefore a more complete blessing. How, then, could he address them with speech whose meaning neither he nor they understand, and which no one can understand? Is not sending such a message among the gravest defects from which the Lord must be declared free? Glorified and exalted is He, far above what the wrongdoers say. For such defects are unbefitting even ordinary people. Glorified and exalted is He.
The twelfth is His saying, Most High:
“Are the messengers responsible for anything but conveying the message clearly (35)?” [al-Nahl 35]
And His saying, Most High:
“If you obey him, you will be guided