These additions only emerged because the narrators could not...
These additions only emerged because the narrators could not observe citing the very words of the traditions they extracted from, but only the words with which the narration reached them from their shaykhs, that most often be contradictory to them. Contravention may occur in meaning also.
Another benefit is the probability that the Sahih compiler may have reported from that accused of confusion, without manifesting whether he heard that hadith before confusion or after it, the case in which the mustakhrij would demonstrate this either through declaration or by narrating it from him through the tariq of that from whom he hadn’t heard but only before confusion.
Also of them, his reporting in the Sahih from one known of tadlis with unauthentic chain, but the mustakhrij narrating it with declaration by hearing. Of them too the hadith containing some expression contradicting an Arabic grammar rule, the case in which he exerts much effort for justifying and drawing it out, so it would be produced according to the rules through the narration of the mustakhrij,…