The Scripture Doctrine of the Trinity (1712) Clarke studied scripture in the original languages, and the
primitive Christian writers. He took the degree of
doctor in divinity in 1710, During 1712 Clarke published his treatise on
The Scripture Doctrine of the Trinity. It is divided into three parts. The first contains a collection and exegesis of texts in the
New Testament relating to the
doctrine of the Trinity; in the second the doctrine is set out, and explained as a set of propositions; and in the third passages in the
liturgy of the
Church of England relating to the doctrine of the Trinity are considered. At the time they were certainly denounced as
Arianism; they belonged, as did Newton's, to the type of
antitrinitarianism later called "High Arianism". Clarke's position was
subordinationist, and less radical than Newton's and typical English Unitarians of his time. He looked at 1251 biblical texts, and rejected the added phrase known as the
Johannine Comma. He made a more careful case than Whiston.
The Trinitarian controversy The controversy within the Church of England to which Clarke was a major contributor had been initiated by
George Bull, with his publication in 1685 of views on the opinions of the
Church Fathers before the
First Council of Nicaea (325 AD). He was reacting to issues that had been raised elsewhere in Europe, by
Petavius, by
Christopher Sandius and
Daniel Zwicker for the
Socinian camp, and the
Arminians. It was only with the close discussions of Clarke and his major opponent
Daniel Waterland, a generation later, that the theological and historical points involved came clearly into focus. Clarke and Waterland had definite differences on the theology of
consubstantiality and
aseity. Waterland argued in theology for the Anglican orthodoxy of time, in particular that the possible attitudes were, besides the orthodox
Athanasian view, limited to
Arianism and
Sabellianism; and that the two latter were not consistent with Scripture. He also championed Bull's historical claim, that the Fathers before Nicaea held the views that were orthodox after Nicaea. Clarke's resistance to both points has had support from some modern scholars. The trajectory of the English controversy from 1712 involved at least ten writers.
Arthur Ashley Sykes and
John Jackson from then on acted as his proxies. Richard Mayo of
Great Kimble (son of the nonconformist
Richard Mayo),
Stephen Nye,
Edward Welchman and
Edward Wells.
Revised prayer book By 1724, Clarke had been pressured to retract his
Nontrinitarian views publicly. However, he maintained these beliefs in private. That year, Clarke privately altered his copy of the
1662 Book of Common Prayer, deleting Trinitarian formulae and the
Athanasian Creed. The work went unpublished, though copies were made and his son later donated the original manuscript to the
British Library. Lindsey, using Clarke's work as his basis, published his own
Unitarian prayer book revision in 1774 and began using it with his
Essex Street Chapel congregation. In 1785, Lindsey's work was further adapted by
James Freeman for use at
King's Chapel in Boston, where a ninth edition version is still used. ==Correspondence with Leibniz==