Is Allah's saying, "Those are the limits [set by] Allah, and whoever obeys Allah and His Messenger, He will admit him to gardens beneath which rivers flow, abiding eternally therein; and that is the great attainment," grammatically correct with the word "خالدين" [abiding eternally] after "يدخله" [He will admit him]?

The Quran is the Book of Allah that challenged the Arabs to produce its like, and no one has ever found a mistake in it, nor will they. Anyone who claims today that there is a mistake in it is ignorant and foolish.

And Allah's saying, "abiding therein eternally," after His saying, "He will admit him," in Surah An-Nisa, verse 13, is because "man" (whoever) is singular in wording but plural in meaning. Therefore, both forms are correct. Similarly, "whoever obeys Allah and His Messenger" does not refer to a single individual, but rather it is a statement about the condition of believers in general, from the first to the last. For this reason, it is appropriate to express their news with a plural pronoun. Among the subtleties of this is that the essence of Paradise is the gathering upon blessings and their attainment by a number of the people of faith, so that affection may arise among them.