Musnad Ahmad 1013:9

Waki' narrated to us, Jarir ibn Hazim narrated to us, from al-Hasan and Sufyan, from Abu Hazim, from Sahl ibn Sa'd, both of them said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "The people will continue to be in a state of goodness as long as they hasten the breaking of the fast."