Musnad Ahmad 937:24

Musa ibn Dawud narrated to us, Ibn Lahi'ah narrated to us, from Salim ibn Ghaylan, from Sulayman ibn Abi Uthman, from 'Adi ibn Hatim al-Homsi, from Abu Dharr, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "My nation will continue to be in goodness as long as they hasten the breaking of the fast and delay the pre-dawn meal (suhur)."