Qutba bin Malik reported,

He said, "I prayed, and the Messenger of Allah led us in prayer. He recited 'Qaf. By the glorious Quran' [Qaf 50:1] until he recited 'And the towering palm trees' [Qaf 50:10]." He said, "I kept repeating it to myself, but I did not know what he said after that."

Azami 13375

Sahih

عن قطبة بن مالك

قال صليت وصلى بنا رسول الله، فقرأ: {ق والقرءان المجيد} حتى قرأ: {والنخل بسقت} قال: فجعلت أرددها، ولا أدري ما قال.

الأعظمي 13375صحيح
Contents
Reference
Commentary
Ayat
Collection
Jami al-Kamil
Book
Tafsir of the great Quran
Chapter
Tafsir of Surah Qaf
Section
His saying, "They consider it a favor to you that they have accepted Islam. Say, do not consider your Islam a favor to me. Rather, Allah confers favor upon you that He has guided you to faith, if you should be truthful"
Numbering
Jami al-Kamil 13375 (2nd edition)
Azami 13375