OMNE SACRAMENTUM DEBET ESSE DE CERTA SCIENTIA by Law Professor Latin, meaning Every oath ought to be of certain knowledge. Related Posts:OMITTANCEEX CERTA SCIENTIAJUDICIUM NON DEBET ESSE ILLUSORIUM SUUM EFFECTUM…NEMO DEBET ESSE JUDEX IN PROPRIA CAUSAJUSJURANDUM INTER ALIOS FACTUM NEC NOCERE NEC PRODESSE DEBETSACRAMENTUM