Quran

 42:37

وَالَّذِينَ يَجْتَنِبُونَ كَبَائِرَ الْإِثْمِ وَالْفَوَاحِشَ وَإِذَا مَا غَضِبُوا هُمْ يَغْفِرُونَ ﴿٣٧﴾

37. And those who avoid major sins and indecencies; and when they become angry, they forgive.