Abu Hurairah (RAA) narrated that The Messenger of Allah (ﷺ) 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.
English reference: Book 11, Hadith 1298
Arabic reference: Book 11, Hadith 1271