Musnad Ahmad 30:741

Muhammad ibn Bishr narrated to us, Muhammad ibn ‘Amr narrated to us, Abu Salamah narrated to us, from Abu Hurairah, who said: The Messenger of Allah, peace and blessings of Allah be upon him, said: "The trial will not cease to befall the believing man or the believing woman, in their body, in their wealth, and in their children, until they meet Allah while there is no sin upon them."