Hadith on Greed: The Prophet fears the Muslims will fight each other for riches

Uqbah ibn Amr reported: The Messenger of Allah, peace and blessings be upon him, said, “Verily, I am not afraid that you will commit idolatry, but rather I am afraid you will compete with each other for the world.”

Source: Ṣaḥīḥ al-Bukhārī 3816, Ṣaḥīḥ Muslim 2296

Grade: Muttafaqun Alayhi (authenticity agreed upon) according to Al-Bukhari and Muslim