Extinguished theologians lie about the cradle of every science as the strangled snakes beside that of Hercules.

T. H. Huxley used this image in the context of late‑Victorian disputes over the authority of science versus theology, especially in debates about evolution and the proper limits of religious explanation in natural philosophy. As a prominent defender of Darwin and an advocate for scientific education, Huxley repeatedly argued that new sciences often begin by having to shake off inherited theological constraints. The line belongs to his polemical, lecture‑and‑essay style: he is not describing a single incident so much as offering a historical generalization about how emerging scientific disciplines have had to overcome clerical or doctrinal opposition before they could develop on their own terms.

The metaphor casts theology as an early adversary of scientific inquiry: “extinguished theologians” are the defeated opponents whose arguments once threatened the infant science. By likening them to the snakes strangled by the baby Hercules, Huxley suggests that science, even in its cradle, possesses a kind of innate strength that can overcome such threats—yet the presence of the “bodies” also serves as a warning that these conflicts are recurrent and formative. The phrase is both triumphalist and cautionary: it celebrates science’s eventual independence while implying that intellectual progress often requires confronting entrenched authority and inherited explanatory habits.