Quran 70:32 from Surah Al-Ma'aarij on Divine Marvels.
وَٱلَّذِينَ هُمۡ لِأَمَٰنَٰتِهِمۡ وَعَهۡدِهِمۡ رَٰعُونَ
English translation: And those who [they] of their trusts and their promise (are) observers
Transliteration: wa-alladhina hum li-amanatihim wa'ahdihim ra'una