وَٱصْبِرْ فَإِنَّ ٱللَّهَ لَا يُضِيعُ أَجْرَ ٱلْمُحْسِنِينَ
Wasbir fa innal laaha laa yudee'u ajral muhsineen
Be steadfast: God does not let the rewards of those who do good go to waste.
And be patient — God does not let the reward of those who do good go to waste.