"The improver of natural knowledge absolutely refuses to acknowledge authority, as such. For him, skepticism is the highest of duties; blind faith the one unpardonable sin"
About this Quote
The subtext is polemical, and historically specific. Huxley was “Darwin’s bulldog,” fighting public battles over evolution in a Britain where natural theology still had cultural veto power. By calling skepticism “the highest of duties,” he borrows the language of sermon and sin - then flips it. He doesn’t secularize religion so much as weaponize its structure: science becomes an ethic with commandments, and the gravest transgression is not ignorance but credulity.
That’s why the quote still feels contemporary. In an age of credentialed punditry and algorithmic certainty, Huxley insists that epistemology is character. The “improver” is defined by what he won’t do: outsource judgment, confuse confidence for truth, or let reverence sneak in wearing a lab coat.
Quote Details
| Topic | Reason & Logic |
|---|---|
| Source | Help us find the source |
| Cite |
Citation Formats
APA Style (7th ed.)
Huxley, Thomas. (2026, January 17). The improver of natural knowledge absolutely refuses to acknowledge authority, as such. For him, skepticism is the highest of duties; blind faith the one unpardonable sin. FixQuotes. https://fixquotes.com/quotes/the-improver-of-natural-knowledge-absolutely-36311/
Chicago Style
Huxley, Thomas. "The improver of natural knowledge absolutely refuses to acknowledge authority, as such. For him, skepticism is the highest of duties; blind faith the one unpardonable sin." FixQuotes. January 17, 2026. https://fixquotes.com/quotes/the-improver-of-natural-knowledge-absolutely-36311/.
MLA Style (9th ed.)
"The improver of natural knowledge absolutely refuses to acknowledge authority, as such. For him, skepticism is the highest of duties; blind faith the one unpardonable sin." FixQuotes, 17 Jan. 2026, https://fixquotes.com/quotes/the-improver-of-natural-knowledge-absolutely-36311/. Accessed 12 Feb. 2026.








