Sahih al-Bukhari 6440

Arabic

وَقَالَ لَنَا أَبُو الْوَلِيدِ حَدَّثَنَا حَمَّادُ بْنُ سَلَمَةَ، عَنْ ثَابِتٍ، عَنْ أَنَسٍ، عَنْ أُبَىٍّ، قَالَ كُنَّا نَرَى هَذَا مِنَ الْقُرْآنِ حَتَّى نَزَلَتْ ‏{‏أَلْهَاكُمُ التَّكَاثُرُ‏}‏

English translation

Ubayy said (referring to the hadith above), "We considered this as a saying from the Qur'an till the Surah (beginning with):"The mutual rivalry (for piling up of worldly things) diverts you' (102:1) was revealed

Reference: Sahih al-Bukhari 6440, Book of To make the Heart Tender (Ar-Riqaq). English translation by Dr. Muhammad Muhsin Khan.