Surah Ali'Imran, Verse 139

وَلَا تَهِنُواْ وَلَا تَحۡزَنُواْ وَأَنتُمُ ٱلۡأَعۡلَوۡنَ إِن كُنتُم مُّؤۡمِنِينَ١٣٩

walā tahinū walā taḥzanū wa-antumu l-aʿlawna in kuntum mu'minīna

So do not weaken and do not grieve, and you will be superior if you are [true] believers.