25:30
وَقَالَ ٱلرَّسُولُ يَـٰرَبِّ إِنَّ قَوْمِى ٱتَّخَذُوا۟ هَـٰذَا ٱلْقُرْءَانَ مَهْجُورًا
And the Messenger has said, "O my Lord, indeed my people have taken this Qur'an as [a thing] abandoned."
The Criterion
وَقَالَ ٱلرَّسُولُ يَـٰرَبِّ إِنَّ قَوْمِى ٱتَّخَذُوا۟ هَـٰذَا ٱلْقُرْءَانَ مَهْجُورًا
And the Messenger has said, "O my Lord, indeed my people have taken this Qur'an as [a thing] abandoned."
Nearby ayahs help place verse 25:30 in sequence and meaning.
يَـٰوَيْلَتَىٰ لَيْتَنِى لَمْ أَتَّخِذْ فُلَانًا خَلِيلًا
Oh, woe to me! I wish I had not taken that one as a friend.
لَّقَدْ أَضَلَّنِى عَنِ ٱلذِّكْرِ بَعْدَ إِذْ جَآءَنِى ۗ وَكَانَ ٱلشَّيْطَـٰنُ لِلْإِنسَـٰنِ خَذُولًا
He led me away from the remembrance after it had come to me. And ever is Satan, to man, a deserter."
وَكَذَٰلِكَ جَعَلْنَا لِكُلِّ نَبِىٍّ عَدُوًّا مِّنَ ٱلْمُجْرِمِينَ ۗ وَكَفَىٰ بِرَبِّكَ هَادِيًا وَنَصِيرًا
And thus have We made for every prophet an enemy from among the criminals. But sufficient is your Lord as a guide and a helper.
وَقَالَ ٱلَّذِينَ كَفَرُوا۟ لَوْلَا نُزِّلَ عَلَيْهِ ٱلْقُرْءَانُ جُمْلَةً وَٰحِدَةً ۚ كَذَٰلِكَ لِنُثَبِّتَ بِهِۦ فُؤَادَكَ ۖ وَرَتَّلْنَـٰهُ تَرْتِيلًا
And those who disbelieve say, "Why was the Qur'an not revealed to him all at once?" Thus [it is] that We may strengthen thereby your heart. And We have spaced it distinctly.