Qur'an 18:66

قَالَ لَهُۥ مُوسَىٰ هَلْ أَتَّبِعُكَ عَلَىٰٓ أَن تُعَلِّمَنِ مِمَّا عُلِّمْتَ رُشْدًا

“Moses said to him, "May I follow you on [the condition] that you teach me from what you have been taught of sound judgement?"”

Al-Kahf 18:66 · Saheeh International