CHRISTIANITY,HISTORY OF SCIENCE AND RELIGION
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and conservative Copernicus advanced a radical
new theory of the universe that placed the Earth in
motion about a stationary sun. Kepler found this
theory attractive for several reasons, including his
belief that the three parts of the Copernican uni-
verse symbolized the Trinity—the central sun with
its emanating light representing God the Father, the
starry sphere God the Son, and the intermediate
space God the Holy Spirit.
There was no convincing proof for the new as-
tronomy, however, and many scientists and theolo-
gians alike saw the hypothesis of the Earth’s motion
as a challenge to those biblical passages (about a
dozen in all) that seemed to speak either of the mo-
tion of the sun through the sky, as if it were a real
motion rather than an apparent one, or else of the
stability of the Earth. In defense of the new astron-
omy, Kepler (a German Protestant) and Galileo (an
Italian Catholic) both employed the Augustinian
principle of accommodation to justify the figurative
interpretation of biblical references to the motion of
the sun. The Bible, they argued, speaks in a human
way about ordinary matters in a way that can be un-
derstood by the common person, using ordinary
speech to convey loftier theological truths. Thus,
the literal sense of texts making reference to nature
should not be mistaken for accurate scientific state-
ments, but the wise interpreter could show how the
book of scripture did not really contradict the book
of nature. Citing rules established by the Council of
Trent in response to Protestant reformers, Catholic
authorities found this unacceptable and ordered
Galileo not to teach the new astronomy. Galileo,
who often treated opponents arrogantly, ignored
this warning and published a vigorous attack on
traditional astronomy in which he thoughtlessly in-
sulted his friend, Pope Urban VIII, and Galileo was
sentenced to house arrest by the Inquisition in 1633.
Those Christian thinkers who agreed with Ke-
pler and Galileo—and by 1700 a large number
did—were implicitly raising the status of science
from that of an obedient handmaiden to something
like an equal partner in the search for truth—a
conception that had been explicitly endorsed just a
few years earlier by the English statesman and es-
sayist, Francis Bacon (1561–1626), who was ironi-
cally not a Copernican himself. Bacon held that
nature served as a “key” to the scriptures, not only
by “opening our understanding to conceive the
true sense of the scriptures,” but mainly by “open-
ing our belief, in drawing us into a due meditation
of the omnipotency of God, which is chiefly signed
and engraven upon his works.” At the same time,
however, he cautioned against “unwisely con-
founding these learnings together.”
Because it offered relative autonomy for sci-
ence while enhancing the authority of theology,
the Baconian attitude was widely adopted by
Protestants in England and America through the
middle of the nineteenth century, and Roman
Catholics were increasingly attracted to a similar at-
titude, partly seen in Galileo but ultimately derived
from Aquinas. English natural philosopher Robert
Boyle (1627–1691) epitomized this approach, pro-
moting what he called the “mechanical philoso-
phy”—the explanation of natural phenomena in
terms of matter and motion—over Aristotelian and
Galenic views, for its advantages not only to sci-
ence (it provided clear, experimentally useful ex-
planations) but also to religion: By denying any
immanent intelligence to “Nature,” which func-
tioned idolatrously as a “semi-deity,” the mechani-
cal philosophy more clearly distinguished the cre-
ator from the creation, thus focusing worship
where it properly belonged. Boyle further believed
that Christian character was highly relevant to the
scientific enterprise, such that he considered him-
self a “priest of nature” whose discoveries only en-
hanced his appreciation for the wisdom, goodness,
and power of God. Like many of his contempo-
raries, including Isaac Newton (1642–1727), Boyle
aggressively pursued an extensive program of nat-
ural theology while generally avoiding the use of
the Bible as a scientific text.
More than a century later, however, Christian
thinkers were much less reluctant to cite scripture
on scientific matters, no doubt because the age and
origin of the Earth had become topics of serious sci-
entific discussion. Many natural historians and the-
ologians saw in the books of nature and scripture
essentially the same story, going beyond the general
assumption of harmony to endorse a strong con-
cordism, arguing for close parallels between Gene-
sis and geology and sometimes inventing elaborate
hermeneutical schemes to achieve harmonization.
Since the mid-nineteenth century
With the acceptance of Darwinian evolution, how-
ever, concordism fell out of favor, though some
conservative Protestants still embrace it, and no
single approach to theology and science has gen-
erated a wide enough following to function as its