Ibn 'Abbas (May Allah be pleased with them) reported:
I heard the Messenger of Allah (ﷺ) saying, "Two eyes will never be touched by the fire of Hell; an eye which weeps out of Fear of Allah and an eye which spends the night in guarding in the Cause of Allah ."[At-Tirmidhi].
App reference: Book 12, Hadith 21
Arabic/English book reference: Book 12, Hadith 1305