Arrogance and false confidence of disbelievers

فَأَجْمِعُوا۟ كَيْدَكُمْ ثُمَّ ٱئْتُوا۟ صَفًّا ۚ وَقَدْ أَفْلَحَ ٱلْيَوْمَ مَنِ ٱسْتَعْلَىٰ

So resolve upon your plan and then come [forward] in line. And he has succeeded today who overcomes."