ENOfficial
Ibn ‘Umar told that the Prophet (ﷺ) said when he broke his fast, “Thirst has gone, the arteries are moist, and the reward is sure, if God wills.” Abu Dawud transmitted it.
Source: sunnah.com
Other translations
Arabic
وَعَنِ ابْنِ عُمَرَ قَالَ: كَانَ النَّبِيُّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ إِذَا أَفْطَرَ قَالَ: «ذَهَبَ الظَّمَأُ وَابْتَلَّتِ الْعُرُوقُ وَثَبَتَ الْأَجْرُ إِنْ شَاءَ الله» . رَوَاهُ أَبُو دَاوُد
sunnah.com