Rabbana la tuzigh quloobanabaAAda ith hadaytana wahab lana min ladunkarahmatan innaka anta alwahhab
[Who say], "Our Lord, let not our hearts deviate after You have guided us and grant us from Yourself mercy. Indeed, You are the Bestower.
A famous dua: 'Our Lord, do not let our hearts deviate after You have guided us.'