Yahya related to me from Malik from Abu'z Zinad from al-Araj fromAbu Hurayra that the Messenger of Allah, may Allah bless him and granthim peace, said, "Allah guarantees either the Garden or a safe returnto his home with whatever he has obtained of reward or booty, for theone who does jihad in His way, if it is solely jihad and trust in hispromise that brings him out of his house."
USC-MSA web (English) reference: Book 21, Hadith 2
Arabic reference: Book 21, Hadith 963