Verse 120 dealt with the hopeless condition of the opponents of Islam among the People of the Book. Now, the present verse turns, in the usual manner of the Holy Qur'an, to the other aspect, and speaks of those Jews and Christians who were honest and just, and, having recognised the truth, affirmed the Holy Prophet ﷺ and accepted Islam.
The verse tells us how it has been possible for these men to effect a radical change in themselves. Allah has given a Book to the Christians as well as to the Jews. But, unlike most of their co-religionists, these men have been reading the Book "observing the rights of its recitation."
That is to say, they have distorted neither the words nor the meanings, nor have they tried to misinterpret or conceal the prophecies about the coming of the Holy Prophet ﷺ . In other words, they have used their intellect in trying to understand the meanings, and their will in accepting the truth and in following it. It is they who acknowledge the Holy Qur'an, and have faith in it. In doing so, they are actually affirming their own Books too and acting upon them insofar as their Books explicitly foretell the coming of the Last Prophet and of the last Book of Allah. As for those who persist in their denial, they are bound to suffer the greatest loss, for they have refused to believe in the Last Revelation, and have, in fact, not shown much of a belief in their own Books, and not followed the guidance provided by them in this matter. 33
33. The commentary we have here is based on a report from the blessed Companion Ibn ` Abbas ؓ ، according to whom this verse was revealed on the occasion of the arrival of forty Christians from Abyssinia who had accepted Islam. But other commentators believe that "those to whom We have given the Book" are the blessed Companions, and "the Book" is the Holy Qur'an. As for reading the Book "observing the rights of its recitation", it means enunciating each word correctly and clearly, and keeping the fear and love of Allah present in one's heart while reading, and also the resolve to follow divine guid-nce and to obey divine commandments. The blessed second Khalifah ` Umar ؓ has said that reading the Holy Qur'an "observing the rights of its recitation" requires that when one comes to a description of Paradise, one should pray to Allah for granting one this abode, and when one finds a description of Hell, one should seek Allah's protection from it. (Ibn Abi Hatim)