The surah begins with the two separate letters Ha and Mim which
are then followed by an oath by the book that makes things
clear. Both the letters and the book are of the same nature: in
its spoken form, the book is of the same type as the letters.
Just like all letters in human language, the two letters, or
sounds, are of Godâs signs: it is He who created people and gave
them the sounds of their languages. When such letters are
mentioned, they carry more than a single meaning with reference
to the Qurâan. God states this oath by the two letters and the
clear book so as to confirm the purpose of making this Qurâan in
the form it was made when revealed to the Arabs: âWe have made
the Qurâan a discourse in Arabic so that you may understand.â
The purpose, then, is that they should understand it as it is
composed in their own tongue. The Qurâan is Godâs revelation
which He has made, in its spoken form, Arabic as He chose the
Arabs to be the bearers of His message. We explained this
purpose partly in commenting on