Ivan the Terrible!

de bene esse: literally, of well-being, morally acceptable but subject to future validation or exception

http://www.medievalists.net/2013/12/29/ivan-the-terrible-centralization-in-sixteenth-century-muscovy/

Ivan the Terrible: Centralization in Sixteenth Century Muscovy - Medievalists.net

medievalists.net

From 1565-1572, the Oprichnina was a land within Muscovy of Ivanís choosing where he alone held sole power. The Zemschina was the remaining portion of Muscovy that was governed by the state administration.