Quran 3:125 from Surah Aal-i-Imraan on Divine Marvels.
بَلَىٰٓۚ إِن تَصۡبِرُواْ وَتَتَّقُواْ وَيَأۡتُوكُم مِّن فَوۡرِهِمۡ هَٰذَا يُمۡدِدۡكُمۡ رَبُّكُم بِخَمۡسَةِ ءَالَٰفٖ مِّنَ ٱلۡمَلَٰٓئِكَةِ مُسَوِّمِينَ
English translation: Yes if you are patient and fear (Allah) and they come upon you [of] suddenly [this] will reinforce you your Lord with five thousand[s] [of] [the] Angels [the ones] having marks
Transliteration: bala in tasbiru watattaqu wayatukum min fawrihim hadha yum'did'kum rabbukum bikhamsati alafin mina al-malaikati musawwimina