22:1
يَـٰٓأَيُّهَا ٱلنَّاسُ ٱتَّقُوا۟ رَبَّكُمْ ۚ إِنَّ زَلْزَلَةَ ٱلسَّاعَةِ شَىْءٌ عَظِيمٌ
O mankind, fear your Lord. Indeed, the convulsion of the [final] Hour is a terrible thing.
The Pilgrimage
يَـٰٓأَيُّهَا ٱلنَّاسُ ٱتَّقُوا۟ رَبَّكُمْ ۚ إِنَّ زَلْزَلَةَ ٱلسَّاعَةِ شَىْءٌ عَظِيمٌ
O mankind, fear your Lord. Indeed, the convulsion of the [final] Hour is a terrible thing.
Nearby ayahs help place verse 22:1 in sequence and meaning.
يَوْمَ تَرَوْنَهَا تَذْهَلُ كُلُّ مُرْضِعَةٍ عَمَّآ أَرْضَعَتْ وَتَضَعُ كُلُّ ذَاتِ حَمْلٍ حَمْلَهَا وَتَرَى ٱلنَّاسَ سُكَـٰرَىٰ وَمَا هُم بِسُكَـٰرَىٰ وَلَـٰكِنَّ عَذَابَ ٱللَّهِ شَدِيدٌ
On the Day you see it every nursing mother will be distracted from that [child] she was nursing, and every pregnant woman will abort her pregnancy, and you will see the people [appearing] intoxicated while they are not intoxicated; but the punishment of Allah is severe.
وَمِنَ ٱلنَّاسِ مَن يُجَـٰدِلُ فِى ٱللَّهِ بِغَيْرِ عِلْمٍ وَيَتَّبِعُ كُلَّ شَيْطَـٰنٍ مَّرِيدٍ
And of the people is he who disputes about Allah without knowledge and follows every rebellious devil.