Surah Al-Mutaffifin, ayah 2

ٱلَّذِينَ إِذَا ٱكۡتَالُواْ عَلَى ٱلنَّاسِ يَسۡتَوۡفُونَ ٢

Alladhīna idhaktālū 'alan-nāsi yastawfūn

Who, when they take a measure from people, take in full.