Musnad Ahmad 33:23

'Abd al-Razzaq narrated to us, Ibn Jurayj informed us, and Rawh narrated to us, he said: Ibn Jurayj narrated to us, he said: 'Ata' said—and Rawh said in his hadith: He said: And 'Ata' said to me: I heard Jabir ibn 'Abd Allah saying: The Prophet, may Allah bless him and grant him peace, said: "Do not combine fresh dates and unripe dates, nor raisins and dried dates, into a nabidh (fermented drink)."