Ibrahim Nakha'i, may Allah have mercy on him, said: When you narrate a hadith from me, narrate it through the way of Abu Zur'ah, may Allah have mercy on him, because he narrated a hadith to me, then after a year I asked him about the same hadith, and he had not omitted even a single letter from it.
Hadith Referenceسنن دارمي / مقدمه / 432
Hadith Gradingتحقیق (حسین سلیم أسد الدارانی):إسناده ضعيف من أجل محمد بن حميد، [مكتبه الشامله نمبر: 432]
Hadith Takhrijاس روایت کی سند محمد بن حمید کی وجہ سے ضعیف ہے۔ دیکھئے: [سنن الترمذي 51/5]
Brief Explanation
(Commentary on Ahadith 429 to 432) That is, he narrated exactly as it was, word for word. This indicates the memorization and precision of Abu Zur’ah rahimahullah.