Does that immateriality, which in my opinion you have sufficiently proved, necessarily include eternal duration?
"Rasselas, Prince of Abyssinia"
Samuel Johnson
He ultimately rejected the immortality and immateriality of the soul, argued for necessitarianism, and earned considerable unpopularity by the boldness of some of his sentiments on political as well as theological matters.
"Theological Essays"
Charles Bradlaugh
Lange classes him with German Spinozists, and says "Stosch curtly denies not only the immateriality, but also the immortality of the soul."
"A Biographical Dictionary of Freethinkers of All Ages and Nations"
Joseph Mazzini Wheeler