لَبِثَ النَّبِيُّ صلى الله عليه وسلم بِمَكَّةَ عَشْرَ سِنِينَ يُنْزَلُ عَلَيْهِ الْقُرْآنُ وَبِالْمَدِينَةِ عَشْرَ سِنِينَ.
Narrated `Aisha and Ibn `Abbas: The Prophet (ﷺ) remained in Mecca for ten years, during which the Qur'an used to be revealed to him; and he stayed in Medina for ten years.