﴿ وَلَهَدَيْنَٰهُمْ صِرَٰطًۭا مُّسْتَقِيمًۭا ﴾

“and indeed guide them onto a straight way.”

(And should guide them unto a straight path) and We would have made them in this world firm upon an established Religion that We are pleased with, i.e. Islam.