The thirst has gone, the veins have been moistened, and the reward has been earn — Fasting
ذَهَبَ الظَّمَأُ وَابْتَلَّتِ الْعُرُوقُ وَثَبَتَ الْأَجْرُ إِنْ شَاءَ اللَّهُ
Transliteration: Dhahabadh-dhama'u wabtallat-il-'urooqu wa thabatal-ajru in shaa'allaah
Translation: The thirst has gone, the veins have been moistened, and the reward has been earned, if Allah wills. (Upon breaking the fast)
Reference: Abu Dawud 2:306