وَإِنَّ مِنكُم لَمَن لَيُبَطِّئَنَّ فَإِن أَصابَتكُم مُصيبَةٌ قالَ قَد أَنعَمَ اللَّهُ عَلَيَّ إِذ لَم أَكُن مَعَهُم شَهيدًا

And indeed, there is among you he who lingers behind; and if disaster strikes you, he says, "Allah has favored me in that I was not present with them."