salamz
in the Quran it says, "remember when Musa a.s. said to his slave, i will not giv up until i reach the point where the two rivers meet, be it i march for ages" (18:60)
there is the famopus story of musa and khizar in the quran but how much has a person ponderd upon it. it is said that once there was a gathering and somebody askd musa, who is the most knoledgeable person? in reply musa said I am.(which he ful authority to say coz he was the prophet of the tym) But the Almighty had other plans. He orderd musa to go to a certain place, "where the two rivers meet which is referd to as "where the two rivers meet" in the abov ayat. Just in this The Almighty has shown us great TEACHINGS.
1. Pride is a very bad thing.
2. none can even think that musa AS had any evil intentions, but Allah wanted to teach the whole of mankind till doomsday that even uttering the word 'I' or 'May'(in urdu) etc is a very disliked act.
3.the word ' I ' is a claim (da'wah). this is also disliked by Allah
4. look at the zeal of Musa despite being the Prophet of Allah, that he straight away obeys Allah's command
5. Look at his zeal for knowledge.
6.'be it i march for ages'. look at the want for deen. 'march..' also shows a person shud travel for knowledge if he/she has to. and there was no such transport as of now at that tym.so where do we stand!
7. musa travelled with his slave (khaadim), whose name was Yoosha bin Noon.thus proving a person shud take some with him when travelling. in actual fact a person shudnt travel on his own neway, accordin to shariyat.
THIS IS JUST IN 1 AYAH. ALLAHU AKBAR.
there are maybe many more in this ayat.
P.S. if i get a positive response then who knows, ALLAH might open up more oceans of knowledge on this story.

