وَلَمَّا تَوَجَّهَ تِلْقَاء مَدْيَنَAnd when he went towards (the land of) Madyan,means, he took a smooth and easy route -- and he rejoiced because of that.قَالَhe said:عَسَى رَبِّي أَن يَهْدِيَنِي سَوَاء السَّبِيلِIt may be that my Lord guides me to the right way.meaning, the most straight route.And Allah did indeed do that, for He guided him to the straight path in this world and the Hereafter, and caused him to be guided and to guide others