Wa ja'alnaa bainahum wa bainal qural latee baaraknaa feehaa quran zaahiratanw wa qaddamaa feehas sayr; seeroo feehaa la yaalirya wa aiyaaman aamineen
And We placed between them and the cities which We had blessed [many] visible cities. And We determined between them the [distances of] journey, [saying], "Travel between them by night or day in safety."