إِلَّآ أَن يَشَآءَ ٱللَّهُ ۚ وَٱذْكُر رَّبَّكَ إِذَا نَسِيتَ وَقُلْ عَسَىٰٓ أَن يَهْدِيَنِ رَبِّى لِأَقْرَبَ مِنْ هَـٰذَا رَشَدًا
Illaaa any yashaaa'al laah; wazkur Rabbaka izaa naseeta wa qul 'asaaa any yahdiyani Rabbee li aqraba min haazaa rashadaa
without adding, ‘God willing,’ and, whenever you forget, remember your Lord and say, ‘May my Lord guide me closer to what is right.’
without adding, "if God wills." And remember your Lord when you forget, and say, "perhaps my Lord will guide me to something closer than this to right conduct."