Surah Al-Ma'arij, ayah 32

وَٱلَّذِينَ هُمۡ لِأَمَٰنَٰتِهِمۡ وَعَهۡدِهِمۡ رَٰعُونَ ٣٢

Walladhīna hum li amānātihim wa'ahdihim rā'ūn

And those who are to their trusts and promises attentive