Evil works are damned, therefore good works justify.
 Martin Luther, Table Talk (1566). copy citation

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Author Martin Luther
Source Table Talk
Topic evil work
Date 1566
Language English
Reference
Note Translated by William Hazlitt
Weblink http://www.ntslibrary.com/PDF%20Books/Luther%20Table%20Talk.pdf

Context

“For my part, I have so often deceived our Lord God by promising to be upright and good, that I will promise no more, but will only pray for a happy hour, when it shall please God to make me good. CCCXXVII. A popish priest once once argued with me in this manner: Evil works are damned, therefore good works justify. I answered: This your argument is nothing worth; it concludes not ratione contrariorum; the things are not in connection; evil works are evil in complete measure, because they proceed from a heart that is altogether spoiled and evil;” source