In spiritual matters a person is by nature full of darkness, error, ignorance, malice, and perverseness in will and in mind.
 Martin Luther, Commentary on the Epistle to the Galatians (1535). copy citation

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Author Martin Luther
Source Commentary on the Epistle to the Galatians
Topic darkness ignorance
Date 1535
Language English
Reference
Note Translated by Theodore Graebner
Weblink http://www.gutenberg.org/files/1549/1549-h/1549-h.htm

Context

“But the papists apply it to the spiritual realm where a person can perform nothing but sin, because he is sold under sin. Our opponents go even further than that. They say, nature is depraved, but the qualities of nature are untainted. Again we say: This may hold true in everyday life, but not in the spiritual life. In spiritual matters a person is by nature full of darkness, error, ignorance, malice, and perverseness in will and in mind. In view of this, Paul declares that Christ began and not we. "He loved me, and gave Himself for me. He found in me no right mind and no good will. But the good Lord had mercy upon me. Out of pure kindness He loved me, loved me so that He gave Himself for me, that I should be free from the Law, from sin, devil, and death."” source