Quran 4:45 from Surah An-Nisaa on Divine Marvels.
وَٱللَّهُ أَعۡلَمُ بِأَعۡدَآئِكُمۡۚ وَكَفَىٰ بِٱللَّهِ وَلِيّٗا وَكَفَىٰ بِٱللَّهِ نَصِيرٗا
English translation: And Allah knows better about your enemies and (is) sufficient Allah (as) a Protector and sufficient (is) Allah (as) a Helper
Transliteration: wal-lahu a'lamu bi-a'daikum wakafa bil-lahi waliyyan wakafa bil-lahi nasiran