Read and reflect on verse 1316 from Surah At-Tawba: THOSE [hypocrites] who were left behind rejoiced in their staying away [from war] after [the departure of] God's Apostle, for they hated the thought o...
فَرِحَ الْمُخَلَّفُونَ بِمَقْعَدِهِمْ خِلَافَ رَسُولِ اللَّهِ وَكَرِهُوا أَنْ يُجَاهِدُوا بِأَمْوَالِهِمْ وَأَنْفُسِهِمْ فِي سَبِيلِ اللَّهِ وَقَالُوا لَا تَنْفِرُوا فِي الْحَرِّ ۗ قُلْ نَارُ جَهَنَّمَ أَشَدُّ حَرًّا ۚ لَوْ كَانُوا يَفْقَهُونَ
THOSE [hypocrites] who were left behind rejoiced in their staying away [from war] after [the departure of] God's Apostle, for they hated the thought of striving with their possessions and their lives in God's cause; and they had [even] said [to the others], "Do not go forth to war in this heat!" Say: "The fire of hell is hotter by far!" Had they but grasped this truth!