Quran 11:115 from Surah Hud on Divine Marvels.
وَٱصۡبِرۡ فَإِنَّ ٱللَّهَ لَا يُضِيعُ أَجۡرَ ٱلۡمُحۡسِنِينَ
English translation: And be patient for indeed Allah (does) not let go waste (the) reward (of) the good-doers
Transliteration: wa-is'bir fa-inna al-laha la yudi'u ajra al-muh'sinina