Musnad Ahmad 33:945

Yazid narrated to us, Ibn Abi Dhi’b informed us, and Abu ‘Amir, from Ibn Abi Dhi’b, from ‘Abd al-Rahman ibn ‘Ata’, from ‘Abd al-Malik ibn Jabir ibn ‘Atik, from Jabir ibn ‘Abd Allah, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "If a man speaks a statement, then looks around, it is a trust." Abu ‘Amir said: "In his gathering with a statement."