ٱلَّذِينَ يَذْكُرُونَ ٱللَّهَ قِيَـٰمًا وَقُعُودًا وَعَلَىٰ جُنُوبِهِمْ وَيَتَفَكَّرُونَ فِى خَلْقِ ٱلسَّمَـٰوَٰتِ وَٱلْأَرْضِ رَبَّنَا مَا خَلَقْتَ هَـٰذَا بَـٰطِلًا سُبْحَـٰنَكَ فَقِنَا عَذَابَ ٱلنَّارِ

Who remember Allāh while standing or sitting or [lying] on their sides and give thought to the creation of the heavens and the earth, [saying], "Our Lord, You did not create this aimlessly; exalted are You [above such a thing]; then protect us from the punishment of the Fire.

Ali 'Imran 191

كِتَـٰبٌ أُنزِلَ إِلَيْكَ فَلَا يَكُن فِى صَدْرِكَ حَرَجٌ مِّنْهُ لِتُنذِرَ بِهِۦ وَذِكْرَىٰ لِلْمُؤْمِنِينَ

[This is] a Book revealed to you, [O Muḥammad] - so let there not be in your breast distress therefrom - that you may warn thereby and as a reminder to the believers.

Al-A'raf 2

وَقَالَ ٱلَّذِى نَجَا مِنْهُمَا وَٱدَّكَرَ بَعْدَ أُمَّةٍ أَنَا۠ أُنَبِّئُكُم بِتَأْوِيلِهِۦ فَأَرْسِلُونِ

But the one who was freed and remembered after a time said, "I will inform you of its interpretation, so send me forth."

Yusuf 45

بِٱلْبَيِّنَـٰتِ وَٱلزُّبُرِ ۗ وَأَنزَلْنَآ إِلَيْكَ ٱلذِّكْرَ لِتُبَيِّنَ لِلنَّاسِ مَا نُزِّلَ إِلَيْهِمْ وَلَعَلَّهُمْ يَتَفَكَّرُونَ

[We sent them] with clear proofs and written ordinances. And We revealed to you the message [i.e., the Qur’ān] that you may make clear to the people what was sent down to them and that they might give thought.

An-Nahl 44

وَهُوَ ٱلَّذِى جَعَلَ ٱلَّيْلَ وَٱلنَّهَارَ خِلْفَةً لِّمَنْ أَرَادَ أَن يَذَّكَّرَ أَوْ أَرَادَ شُكُورًا

And it is He who has made the night and the day in succession for whoever desires to remember or desires gratitude.

Al-Furqan 62