Musnad Abu Ya'la al-Mawsili 140:31

Musa ibn Muhammad ibn Hayyan narrated to us, Durust ibn Ziyad narrated to us, Yazid al-Raqashi narrated to us, he said: Anas ibn Malik narrated to us, he said: The Messenger of Allah (may Allah bless him and grant him peace) said: "The sun and the moon are two hamstrung bulls in the Fire."