Musannaf Ibn Abi Shayba 7:337

Abu Mu'awiyah narrated to us, he said: Al-A'mash narrated to us, from Abu al-Minhal, from 'Abbad ibn 'Abd Allah, he said: 'Ali, may Allah be pleased with him, was delivering a sermon, and he said: "No, by the One who split the grain and created the soul."