Musnad Ahmad 937:14

Yunus ibn Muhammad narrated to us, Daylam narrated to us, from Wahb ibn Abi Dabi, from Abu Harb, from Mihjan, from Abu Dharr, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Indeed, the evil eye pursues a man by the permission of Allah, until he climbs a high peak, then falls from it."