Musa Learning from Khidir
From Ubay bin Ka'ab, the Prophet said, "At one point Moses spoke before the Children of Israel, then someone asked," Who is the smartest person? 'Moses answered,' I. ' With that statement, God reproached him, because Moses did not return knowledge to God. Then God revealed to Moses, "Verily I have a servant who is at the meeting between the Persian and Roman seas, My servant is smarter than you!" Moses asked, "Yes Rabbi, how can I meet him?" Then it was answered, "Bring a fish that you put in a place, where the fish disappears, that's where My servant is!" Then Moses left. Moses went with a servant named Yusya 'bin Nun. Both of them carried the fish inside a place until the two arrived at a large rock. They lay down for a moment then fell asleep. Suddenly the fish disappeared from the place. The fish jumped to take the road to the sea. Moses and his servant felt strange. Then both of them continue to walk from day to night...