Quran 18:83 — The Cave (Al-Kahf)

They ask you about Zul-Qarnain. Say, "I will narrate to you some of his history."

[18:82] "As for the wall, it belonged to two orphan boys in the city. Under it, there was a treasure that belonged to them. Because their father was a righteous man, your Lord wanted them to grow up and attain full strength, then extract their treasure. Such is mercy from your Lord. I did none of that of my own volition. This is the explanation of the things you could not stand."

[18:84] We granted him authority on earth, and provided him with all kinds of means.