Abu Sa'id Samurah bin Jundub (May Allah be pleased with him) reported:
I was a boy during the lifetime of Messenger of Allah (ﷺ), and used to commit to my memory what he said, but I do not narrate what I preserved because there were among us people who were older than me.[Al-Bukhari and Muslim].
Arabic/English book reference: Book 1, Hadith 358