ENOfficial
Allāhumma aṭ`im man aṭ`amanī wasqi man saqānī. O Allah, feed the one who has fed me, and give drink to the one who has given me drink. Reference: Muslim 3/126.
Source: sunnah.com
Other translations
Arabic
اللّهُـمَّ أَطْعِمْ مَن أَطْعَمَني، وَاسْقِ مَن سقاني
sunnah.com