Lack of unity equals lack of faith

لَنْ يَجْعَلَ اللَّهُ لِلْكَافِرِينَ عَلَى الْمُؤْمِنِينَ سَبِيلًا

Lack of unity equals lack of faith

Never will Allah grant to the unbelievers a way (to triumphs) over the believers.
Surah Al_Nisa, part of verse 141