اللَّهُمَّ اكْفِنِي بِحَلَالِكَ عَنْ حَرَامِكَ، وَأَغْنِنِي بِفَضْلِكَ عَمَّنْ سِوَاكَ
Transliteration
Allahummak-fini bihalalika 'an haramik, wa aghnini bifadlika 'amman siwak
Translation
O Allah, suffice me with what You have made lawful against what You have made unlawful, and enrich me by Your bounty so I need none but You.
Reference: Tirmidhi 3563