“I know nothing of god or the devil. I have never learned a secret nor found a cure that would damn or save my soul.”

Statement while being confined to residence at Coburg, as quoted in History of the Christian Church, (1910) http://www.ccel.org/ccel/schaff/hcc7.ii.ix.vii.html by Philip Schaff, Vol. VII : Modern Christianity : The German Reformation, § 123. Luther at the Coburg; though it mentions Muhammad, this remark might actually be directed at those responsible for his confinement, as he makes allusions to dwelling in the "empire of birds" and his location as a "Sinai" and regularly uses other uncomplimentary comparisons of those involved in suppressing his ideas to figures unpopular to himself and his contemporaries.

Source: Luna

Letters to Madame de Sourdon, L 122, 15 June 1902; as quoted in Always Believe in Love: Selected Writings of Elizabeth of the Trinity by Marian Murphy, 2017, p. 109 https://books.google.it/books?id=JX3LDgAAQBAJ&pg=PA109.

Shake Hands with the Devil (2003)
Source: Shake Hands With The Devil

Source: The Picture of Dorian Gray

Notebook #42

Source: The Dangerous Summer (1985), Ch. 1

This is widely attributed to Jackson on the internet, but in research done for Wikiquote, no published source has been found. Similar remarks, "Corporations have neither bodies to be punished, nor souls to be condemned, they therefore do as they like." and "It has no soul to damn and no body to kick." have been attributed to Edward Thurlow, 1st Baron Thurlow (9 December 1731 – 12 September 1806).
Disputed

The Thirteenth Revelation, Chapter 33