NON DECIMANDO by Law Professor See DE NON DECIMANDO Non deoipitur qui scit se deoipi. 5 Coke, 60. He is not deceived who knows himself to be deceived. Related Posts:NON DECIPITUR QUI SCIT SE DECIPIDE NON DECIMANDODE DECEPTIONELEX TUTISSIMA CASSIS SUB CLYPEO LEGIS NEMO DECIPITURCREDIBILITYDECIME