Musannaf Ibn Abi Shayba 33:1480

Affan narrated to us, Bishr bin Mufaddal narrated to us, he said: Umarah bin Ghaziyyah narrated to us, from Asim bin Umar bin Qatadah, from Mahmud bin Labid, he said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Indeed, when Allah loves a servant, He protects him from the world, just as one of you protects his sick person from water."