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Daily Inspiration Quote by Thomas Boston

"Temptation is the fire that brings up the scum of the heart"

About this Quote

Temptation, for Thomas Boston, isn’t a naughty detour; it’s a diagnostic burn. The metaphor does two jobs at once: it turns moral failure into evidence, and it frames that evidence as something already inside you. Fire doesn’t invent scum; it makes what’s latent rise, separate, and show itself. That’s classic Reformed psychology from an early 18th-century Scottish clergyman: human nature is not basically fine with occasional glitches, but fundamentally disordered, requiring grace rather than self-improvement.

The line is strategically severe. It refuses the comforting story that “I was fine until the world corrupted me.” Boston’s subtext is that the world merely supplies the heat. External occasions, attractive objects, even the devil in popular imagination, are secondary. The primary problem is interior: a heart with impurities that will surface under pressure. That’s why the image lands. It collapses the distance between private desire and public act: if temptation reveals, then indulging isn’t the beginning of sin, it’s the unveiling of it.

In Boston’s pastoral context, the intent isn’t just to shame but to reorient spiritual attention. The believer is pushed toward vigilance and repentance, yes, but also toward a kind of grim relief: trials can be read as spiritual X-rays. Temptation becomes a harsh mercy, exposing what polite self-knowledge would rather keep dissolved and invisible.

Quote Details

TopicEthics & Morality
SourceHelp us find the source
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Citation Formats

APA Style (7th ed.)
Boston, Thomas. (2026, January 16). Temptation is the fire that brings up the scum of the heart. FixQuotes. https://fixquotes.com/quotes/temptation-is-the-fire-that-brings-up-the-scum-of-122146/

Chicago Style
Boston, Thomas. "Temptation is the fire that brings up the scum of the heart." FixQuotes. January 16, 2026. https://fixquotes.com/quotes/temptation-is-the-fire-that-brings-up-the-scum-of-122146/.

MLA Style (9th ed.)
"Temptation is the fire that brings up the scum of the heart." FixQuotes, 16 Jan. 2026, https://fixquotes.com/quotes/temptation-is-the-fire-that-brings-up-the-scum-of-122146/. Accessed 9 Feb. 2026.

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Temptation Reveals the Heart - Thomas Boston
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About the Author

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Thomas Boston (March 17, 1676 - May 20, 1732) was a Clergyman from Scotland.

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