The Cave - 18:77
"So they walked on. Finally they came to a village and asked its people for food. But they refused to receive them as guests. Then they found a wall there that wanted to fall down, and he immediately straightened it. He said: "If you had wished, you could have received a wage for that work."
Related:
Ta-Ha/20:40
Remember when your sister went and said, ´Shall I show you someone to take care of him? So We returned you to your mother so that her eyes would be enlightened and she would not grieve. Even when you had killed a man, We saved you from sorrow and put you through various tests. Now you have come back, Moses, after many years among the people of Medina, according to a definite plan.