It wasnarrated from Talhah bin 'Ubaidullah that he heard theMessenger ofAllah (ﷺ) say:
"Hajj is Jihad and 'Umrah is voluntary." (DE)
English reference (DE): Vol. 4, Book 25, Hadith 2989 (DE)
Arabic reference (DE): Book 25, Hadith 3103 (DE)