Surah As-Saf (The Solid Ranks), Verse 4

اِنَّ اللّٰهَ یُحِبُّ الَّذِیْنَ یُقَاتِلُوْنَ فِیْ سَبِیْلِهٖ صَفًّا كَاَنَّهُمْ بُنْیَانٌ مَّرْصُوْصٌ ۟

Innal laaha yuhibbul lazeena yuqaatiloona fee sabeelihee saffan ka annahum bunyaanum marsoos

“Truly Allah loves those who fight in His Cause in battle array, as if they were a solid cemented structure.”

Quran 61:4 (Yusuf Ali Translation)