Tafsir of Az-Zukhruf 43:88

And his saying: "O my Lord! Verily, these are a people who believe not!'' means, Muhammad said this; he complained to his Lord about his people who did not believe in him, and said, `O Lord, these people do not believe.' This is like the Ayah:

وقال الرسول يرب إن قومى اتخذوا هذا القرءان مهجورا

And the Messenger will say: "O my Lord! Verily, my people deserted this Qur'an.'' (25:30). This is the view of Ibn Mas`ud, may Allah be pleased with him, Mujahid and Qatadah, and this is how Ibn Jarir interpreted it. Al-Bukhari said: "`Abdullah -- meaning Ibn Mas`ud, may Allah be pleased with him -- recited (Ayah 88 of Az-Zukhruf):

وقال

الرسول يارب

And the Messenger will say: "O my Lord!'' Mujahid said concerning the Ayah:

وقيله يارب إن هوﻻء قوم ﻻ يومنون

(And his saying: "O my Lord! Verily, these are a people who believe not!'') "Allah is stating what Muhammad said.'' Qatadah said, "These are the words of your Prophet, when he complained about his people to his Lord.''