Surah Al-Imran, ayah 139

وَلَا تَهِنُواْ وَلَا تَحۡزَنُواْ وَأَنتُمُ ٱلۡأَعۡلَوۡنَ إِن كُنتُم مُّؤۡمِنِينَ ١٣٩

Walā tahinū walā tahzanū wa antumul-a'lawna in kuntum mu'minīn

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