وَلَا تَهِنُوا۟ وَلَا تَحْزَنُوا۟ وَأَنتُمُ ٱلْأَعْلَوْنَ إِن كُنتُم مُّؤْمِنِينَ 3:139
Wala tahinoo wala tahzanoowaantumu al-aAAlawna in kuntum mu/mineen
Faint not nor grieve, for ye will overcome them if ye are (indeed) believers.
Wa La Tahinu Wa La Tahzanu — Surah Ali 'Imran 3:139
English translation by Marmaduke Pickthall (public domain). Transliteration is a mechanical romanisation. Arabic in the Uthmani script.