Sahih al-Bukhari 4587
Book 65: Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh)) · Narrated by Ibn `Abbas
Arabic
حَدَّثَنِي عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ، حَدَّثَنَا سُفْيَانُ، عَنْ عُبَيْدِ اللَّهِ، قَالَ سَمِعْتُ ابْنَ عَبَّاسٍ، قَالَ كُنْتُ أَنَا وَأُمِّي، مِنَ الْمُسْتَضْعَفِينَ.
English translation
Narrated Ibn `Abbas:My mother and I were among the weak and oppressed (Muslims at Mecca)
Reference: Sahih al-Bukhari 4587, Book of Prophetic Commentary on the Qur'an (Tafseer of the Prophet (pbuh)). English translation by Dr. Muhammad Muhsin Khan.