Musnad Ahmad 962:42

Bahz narrated to us, Hammad ibn Salamah narrated to us, Ya'la ibn 'Ata narrated to us, from a sheikh from the people of Damascus, from Abu Umamah, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Five, how excellent, how excellent: Glory be to Allah (Subhan Allah), and praise be to Allah (Al-hamdu lillah), and there is no god but Allah (La ilaha illa Allah), and Allah is the Greatest (Allahu Akbar), and a righteous child who dies for a man, and he seeks reward for it [from Allah]."