As-Saf 61:4

Inna Allaha yuhibbu allatheenayuqatiloona fee sabeelihi saffan kaannahum bunyanunmarsoos

Indeed, Allāh loves those who fight in His cause in a row as though they are a [single] structure joined firmly.

Surely Allah loves those who fight in His way in firm rows, as if they were solid edifice.