Full Sharh — Sahih Muslim 4946
حَدَّثَنَا هَارُونُ بْنُ مَعْرُوفٍ، أَخْبَرَنَا ابْنُ وَهْبٍ، أَخْبَرَنِي عَمْرُو بْنُ الْحَارِثِ، عَنْ أَبِي عَلِيٍّ، ثُمَامَةَ بْنِ شُفَىٍّ أَنَّهُ سَمِعَ عُقْبَةَ بْنَ عَامِرٍ، يَقُولُ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم وَهُوَ عَلَى الْمِنْبَرِ يَقُولُ " وَأَعِدُّوا لَهُمْ مَا اسْتَطَعْتُمْ مِنْ قُوَّةٍ أَلاَ إِنَّ الْقُوَّةَ الرَّمْىُ أَلاَ إِنَّ الْقُوَّةَ الرَّمْىُ أَلاَ إِنَّ الْقُوَّةَ الرَّمْىُ "
English Translation
It has been narrated on the authority of Ibn Amir who said:I heard the Messenger of Allah (ﷺ) say-and he was delivering a sermon from the pulpit: Prepare to meet them with as much strength as you can afford. Beware, strength consists in archery. Beware, strength consists in archery. Beware, strength consists in archery
Source
Sahih Muslim(صحيح مسلم)
The Book on Government
Hadith Number
4946