Al-Kahf 18:76

Narrated Sa`id bin Jubair:I said to Ibn `Abbas, "Nauf Al-Bikali claims that Moses, the companion of Al-Khadir was not the Moses of the children of Israel" Ibn `Abbas said, "The enemy of Allah (Nauf) told a lie." Narrated Ubai bin Ka`b that he heard Allah's Messenger (ﷺ) saying, "Moses got up to deliver a speech before the children of Israel and he was asked, Who is the most learned person among the people?' Moses replied, 'I (am the most learned).' Allah admonished him for he did not ascribe knowledge to Allah alone. So Allah revealed to him: 'At the junction of the two seas there is a slave of Ours who is more learned than you.' Moses asked, 'O my Lord, how can I meet him?' Allah said,…

Narrated Sa`id bin Jubair:I said to Ibn `Abbas, "Nauf-al-Bakali " claims that Moses of Bani Israel was not Moses, the companion of Al-Khadir." Ibn `Abbas said, "Allah's enemy tells a lie! Ubai bin Ka`b narrated to us that Allah's Messenger (ﷺ) said, 'Moses got up to deliver a sermon before Bani Israel and he was asked, 'Who is the most learned person among the people?' Moses replied, 'I (am the most learned).' Allah then admonished Moses for he did not ascribe all knowledge to Allah only (Then) came the Divine Inspiration:-- 'Yes, one of Our slaves at the junction of the two seas is more learned than you.' Moses said, 'O my Lord ! How can I meet him?' Allah said, 'Take a fish in a basket…

Weak (da'if) — scholars do not use this report as evidence for rulings.

Narrated Ibn 'Abbas:from 'Ubayy bin Ka'b, that the Prophet (ﷺ) would recite: "Qad Balaghta Min Ladunni 'Udhra" (18:76) with heaviness (Muthaqqalah - meaning with Tashdid on the Nun in "Ladunni)