Bulugh al-Maram, Book 11, Hadith 1298 (English)

Abu Hurairah (RAA) narrated that The Messenger of Allah said: “He who dies without having gone or thought of going out for Jihad in the Cause of Allah, will die while being guilty of having one of the qualities of hypocrisy.” Related by Muslim.

عَنْ أَبِي هُرَيْرَةَ رَ ضِيَ اَللَّهُ عَنْهُ قَالَ: قَالَ رَسُولُ اَللَّهِ ‏- صلى الله عليه وسلم ‏-{ " مَنْ مَاتَ وَلَمْ يَغْزُ, وَلَمْ يُحَدِّثْ نَفْسَهُ بِهِ, مَاتَ عَلَى شُعْبَةٍ مِنْ نِفَاقٍ" } رَوَاهُ مُسْلِمٌ 1‏.‏ ‏1 ‏- صحيح.‏ رواه مسلم ( 1910 )‏.‏

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also referenced under: Book 11, Hadith 1271 (In-Book)