9:15
وَيُذْهِبْ غَيْظَ قُلُوبِهِمْ ۗ وَيَتُوبُ ٱللَّهُ عَلَىٰ مَن يَشَآءُ ۗ وَٱللَّهُ عَلِيمٌ حَكِيمٌ
And remove the fury in the believers' hearts. And Allah turns in forgiveness to whom He wills; and Allah is Knowing and Wise.
Translation · Saheeh International
Tafsir
Ibn Kathīr (abridged)
Encouragement to fight the Disbelievers, and some Benefits of fighting Them
These Ayat encourage, direct and recommend fighting against the idolators who break the terms of their covenants, those who tried to expel the Messenger from Makkah. Allah said in other Ayat,
وَإِذْ يَمْكُرُ بِكَ الَّذِينَ كَفَرُواْ لِيُثْبِتُوكَ أَوْ يَقْتُلُوكَ أَوْ يُخْرِجُوكَ وَيَمْكُرُونَ وَيَمْكُرُ اللَّهُ وَاللَّهُ خَيْرُ الْمَـكِرِينَ
(And (remember) when the disbelievers plotted against you to imprison you, or to kill you, or to expell you; they were plotting and Allah too was plotting; and Allah is the best of those who plot.) 8:30,
يُخْرِجُونَ الرَّسُولَ وَإِيَّـكُمْ أَن تُؤْمِنُواْ بِاللَّهِ رَبِّكُمْ
(...and have driven out the Messenger and yourselves (from your homeland) because you believe in Allah your Lord!) 60:1, and,