Abstract
The Bohemian Utraquists reformed the church and the priesthood. The theology of the priesthood is related to the chalice theology.
Artistic monument of theology: the Church of St. Gotthard, Slaný, and here the fresco of Jesus Christ as Lux mundi (the Light of the World), dated 1470-80.
Jesus Christ is with the chalice. Normative text of theology: 1) The third article of Prague (Poverty of the clergy and expropriation of church property); 2) John Žižka's military articles.