يَطُولُ بِذِكْرِهَا الْوَصْفُ، إِلَّا أَنَّ جُمْلَةَ ذَلِكَ أَنَّ ضَبْطَ الْقَلِيلِ مِنْ هَذَا الشَّأْنِ وَإِتْقَانَهُ أَيْسَرُ عَلَى الْمَرْءِ مِنْ مُعَالَجَةِ الْكَثِيرِ مِنْهُ،
The reasons are too many to detail, but in brief, retaining and mastering a smaller body of this material is easier than working through a great mass of it.
Here “ḍabṭ al-qalīl” first means disciplined command of a limited corpus—its wording, chains, and variants—and “itqān” denotes thorough mastery.
In narrator criticism, ḍabṭ also has a specific sense: a transmitter’s ability to retain and accurately convey what was heard. The senses are related, but this sentence primarily concerns the scholar’s mastery of material.