"On the spiritual theory, man consists essentially of a spiritual nature or mind intimately associated with a spiritual body or soul, both of which are developed in and by means of a material organism"
About this Quote
The intent lands in the cultural crossfire Wallace lived in. As co-discoverer of natural selection, he had impeccable evolutionary credentials; as a committed spiritualist, he was also a heretic to the rising church of scientific materialism. This line is an attempt to reconcile those identities without yielding ground to either side. He keeps the machinery of development - evolution’s tempo and process - while insisting the endpoint (“mind,” “soul”) isn’t reducible to the machinery.
Subtextually, it’s a bid for explanatory jurisdiction. By casting spirit as “essential” and matter as “means,” Wallace frames consciousness, morality, and human exceptionalism as domains where Darwinian mechanisms alone can’t cash the check. The phrasing “intimately associated” is diplomatic, almost legalistic: close enough to claim continuity with biology, vague enough to protect the non-material from being dissected.
What makes it work is its strategic hybridity. It reads like science, but it’s a manifesto for limits - a reminder, from inside evolutionary theory, that a worldview can win the method and still fight over the meaning.
Quote Details
| Topic | Faith |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Wallace, Alfred Russel. (2026, January 17). On the spiritual theory, man consists essentially of a spiritual nature or mind intimately associated with a spiritual body or soul, both of which are developed in and by means of a material organism. FixQuotes. https://fixquotes.com/quotes/on-the-spiritual-theory-man-consists-essentially-39372/
Chicago Style
Wallace, Alfred Russel. "On the spiritual theory, man consists essentially of a spiritual nature or mind intimately associated with a spiritual body or soul, both of which are developed in and by means of a material organism." FixQuotes. January 17, 2026. https://fixquotes.com/quotes/on-the-spiritual-theory-man-consists-essentially-39372/.
MLA Style (9th ed.)
"On the spiritual theory, man consists essentially of a spiritual nature or mind intimately associated with a spiritual body or soul, both of which are developed in and by means of a material organism." FixQuotes, 17 Jan. 2026, https://fixquotes.com/quotes/on-the-spiritual-theory-man-consists-essentially-39372/. Accessed 21 Feb. 2026.






