Musnad Ahmad 3596

Translation

✧ A man came to the Prophet ﷺ and said: "O Messenger of Allah, if I do well in Islam, will I be held accountable for what I did in the pre-Islamic period?" He said: "If you do well in Islam, you will not be held accountable for what you did in the pre-Islamic period, but if you do wrong in Islam, you will be held accountable for the first and the last."

Grades by grader

Other narrations of this report

Sahih Muslim 120b

Narrators

1. 1
   ʿAbdullāh b. Masʿūd

   One of the earliest and foremost (al-sābiqūn al-awwalūn), and one of the leading scholars among the Companions; his virtues are manyd. 28 AH, or 32 AH, 33 AH
   عَبْدُ اللهِ بْنُ مَسْعُودٍمن السابقين الأولين ، ومن كبار العلماء من الصحابة ، مناقبه جمة
   عن
2. 2
   Shaqīq b. Salamah

   trustworthy (thiqah)d. Khalīfah b. Khayyāṭ said: 82 AH, Ibn Mandah said: 99 AH
   شَقِيقٍثقة
   عن
3. 3
   al-Aʿmash

   Trustworthy (thiqah), a retentive memorizer (ḥāfiẓ), knowledgeable in the recitations (qirāʾāt), scrupulous (wariʿ), but he practiced concealment (tadlīs)d. Abū ʿAwānah said, and ʿAbd Allāh b. Dāwūd: 147 AH. Wakīʿ said, and more than one: 148 AH. And al-Khaṭīb considered it correct. Also said: 145 AH
   الْأَعْمَشُثقة حافظ , عارف بالقراءات ورع لكنه يدلس
   حدثنا
4. 4
   Abū Muʿāwiyah

   Trustworthy (thiqah), the best memorizer of people for the hadith of al-Aʿmash, though he may err in the hadith of othersd. 194 AH, or 195 AH
   أَبُو مُعَاوِيَةَثقة ، أحفظ الناس لحديث الأعمش ، وقد يهم في حديث غيره
   حدثنا
5. 5
   Aḥmad b. Ḥanbal

   Trustworthy (thiqah), a memorizer (ḥāfiẓ), a jurist (faqīh), an authority (ḥujjah).d. 241 AH, Abū Umayyah Muḥammad b. Ibrāhīm al-Ṭarsūsī said: 242 AH, and no one followed him in his view
   أحمد بن حنبلثقة حافظ فقيه حجة

Who each narrator was and how reliable, from hdith.com

Latin names and English verdicts with a dotted underline are machine translations, not reviewed.