Sahih al-Bukhari 4310

Arabic

وَقَالَ النَّضْرُ أَخْبَرَنَا شُعْبَةُ، أَخْبَرَنَا أَبُو بِشْرٍ، سَمِعْتُ مُجَاهِدًا، قُلْتُ لاِبْنِ عُمَرَ فَقَالَ لاَ هِجْرَةَ الْيَوْمَ، أَوْ بَعْدَ رَسُولِ اللَّهِ صلى الله عليه وسلم مِثْلَهُ‏.‏

English translation

(In another narration) Ibn `Umar said:"There is no migration today or after Allah's Messenger (ﷺ)." (and completed his statement as above)

Reference: Sahih al-Bukhari 4310, Book of Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi). English translation by Dr. Muhammad Muhsin Khan.