Musannaf Ibn Abi Shayba 33:1198

Ishaq ibn Sulayman al-Razi narrated to us, from Abu Sinan, from ‘Amr ibn Murrah, from ‘Adi ibn Hatim, who said: "You are in a time where its known is unknown, a time that has passed, and its unknown is known, a time that has not yet come."