Tafsir Ibn Kathir (abridged)
The Fabricated Excuse offered by Those Who lagged behind and did not participate in Al-Hudaybiyyah
Allah informs His Messenger of the excuses that the bedouins who lagged behind would offer him, those bedouins who preferred to remain in their homes and possessions and did not join the Messenger of Allah ﷺ. They offered an excuse for lagging behind, as that of being busy -- in their homes and with their wealth! They asked the Messenger of Allah ﷺ to invoke Allah to forgive them, not because they had faith in the Prophet and his invocation, but to show off and pretend. This is why Allah the Exalted said about them,
يَقُولُونَ بِأَلْسِنَتِهِمْ مَّا لَيْسَ فِى قُلُوبِهِمْ قُلْ فَمَن يَمْلِكُ لَكُمْ مِّنَ اللَّهِ شَيْئاً إِنْ أَرَادَ بِكُمْ ضَرّاً أَوْ أَرَادَ بِكُمْ نَفْعاً
Continue reading the tafsir of ayahs 11–14