Sunan an Nasai 3118
The Book of Jihad
أَخْبَرَنَا عَبْدَةُ بْنُ عَبْدِ اللَّهِ، قَالَ حَدَّثَنَا حُسَيْنُ بْنُ عَلِيٍّ، عَنْ زَائِدَةَ، عَنْ سُفْيَانَ، عَنْ أَبِي حَازِمٍ، عَنْ سَهْلِ بْنِ سَعْدٍ، قَالَ قَالَ رَسُولُ اللَّهِ صلى الله عليه وسلم " الْغَدْوَةُ وَالرَّوْحَةُ فِي سَبِيلِ اللَّهِ عَزَّ وَجَلَّ أَفْضَلُ مِنَ الدُّنْيَا وَمَا فِيهَا " .
It was narrated that Sahl bin Sa'd said:"The Messenger of Allah (ﷺ) said: 'Going out before noon or after noon, in the cause of Allah, the Mighty and Sublime, is better than this world and everything in it
Grading: Abu Ghuddah: Sahih · Al-Albani: Sahih · Zubair Ali Zai: Sahih - Agreed Upon
Text from the public-domain hadith-api dataset. Numbering follows that dataset and can differ by a few from some printed editions — check the wording, not only the number.