Musnad Ahmad 770:26

Aswad ibn Amir narrated to us, Abd al-Hamid ibn Abi Ja’far al-Farra’ narrated to us, from Thabit, from Zadhan, from Jarir ibn Abdullah al-Bajali, who said: We went out with the Messenger of Allah, may Allah bless him and grant him peace, from Medina. While we were traveling, a figure appeared to us. He mentioned the rest of it, except that he said: "The hand of his young camel fell into one of those holes that rats dig." And he said in it: "This is one of those who did a little and was rewarded much."