Surah Al-Kahf, Verse 60

وَإِذۡ قَالَ مُوسَىٰ لِفَتَىٰهُ لَآ أَبۡرَحُ حَتَّىٰٓ أَبۡلُغَ مَجۡمَعَ ٱلۡبَحۡرَيۡنِ أَوۡ أَمۡضِيَ حُقُبٗا٦٠

wa-idh qāla mūsā lifatāhu lā abraḥu ḥattā ablugha majmaʿa l-baḥrayni aw amḍiya ḥuquban

And [mention] when Moses said to his boy [i.e., servant], "I will not cease [traveling] until I reach the junction of the two seas or continue for a long period."