Sahih al-Bukhari 2838
Sahih al-Bukhari · Book 56: Fighting for the Cause of Allah (Jihaad) · Whoever is held back from Jihad by a legal cause
Narrated Anas:
حَدَّثَنَا أَحْمَدُ بْنُ يُونُسَ ، حَدَّثَنَا زُهَيْرٌ ، حَدَّثَنَا حُمَيْدٌ ، أَنَّ أَنَسًا ، حَدَّثَهُمْ قَالَ رَجَعْنَا مِنْ غَزْوَةِ تَبُوكَ مَعَ النَّبِيِّ صلى الله عليه وسلم.
We returned from the Ghazwa of Tabuk along with the Prophet. (See Hadith No. 92 below) .