Surah As-Saffah (Those Angels Lines up in Ranks), Verse 40

اِلَّا عِبَادَ اللّٰهِ الْمُخْلَصِیْنَ ۟

Illaa 'ibaadal laahil mukhlaseen

“But the sincere (and devoted) Servants of Allah,-”

Quran 37:40 (Yusuf Ali Translation)