حَدَّثَنَا عَبْدُ اللَّهِ بْنُ مَسْلَمَةَ بْنِ قَعْنَبٍ، حَدَّثَنَا حَمَّادُ بْنُ سَلَمَةَ، عَنْ ثَابِتٍ، عَنْ أَنَسِ، بْنِ مَالِكٍ قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم ‏"‏ لَغَدْوَةٌ فِي سَبِيلِ اللَّهِ أَوْ رَوْحَةٌ خَيْرٌ مِنَ الدُّنْيَا وَمَا فِيهَا ‏"‏ ‏.‏

It has been narrated on the authority of Anas b. Malik that the Messenger of Allah (PBUH) said: Leaving (for Jihad) in the way of Allah in the morning or in the evening (will merit a reward) better than the world and all that is in it. Translation Not Available

Book Ref: Sahih Muslim Book 33 Hadith 4639
Web Ref:  Sahih Muslim Book 20 Hadith 1880