Sahih al-Bukhari 5118

Arabic

حَدَّثَنَا عَلِيٌّ، حَدَّثَنَا سُفْيَانُ، قَالَ عَمْرٌو عَنِ الْحَسَنِ بْنِ مُحَمَّدٍ، عَنْ جَابِرِ بْنِ عَبْدِ اللَّهِ، وَسَلَمَةَ بْنِ الأَكْوَعِ، قَالاَ كُنَّا فِي جَيْشٍ فَأَتَانَا رَسُولُ اللَّهِ صلى الله عليه وسلم فَقَالَ ‏ "‏ إِنَّهُ قَدْ أُذِنَ لَكُمْ أَنْ تَسْتَمْتِعُوا فَاسْتَمْتِعُوا ‏"‏‏.‏

English translation

Narrated Jabir bin `Abdullah and Salama bin Al-Akwa`:While we were in an army, Allah's Messenger (ﷺ) came to us and said, "You have been allowed to do the Mut'a (marriage), so do it

Reference: Sahih al-Bukhari 5118, Book of Wedlock, Marriage (Nikaah). English translation by Dr. Muhammad Muhsin Khan.