The hostility of university authorities was aroused in 1843 by his sermon asserting the doctrine of the real presence in the Eucharist, and he was suspended from university preaching for two years.
Horace Mann, in a remark that expresses an anxiety felt by most non-Catholic intellectuals since his day (and many Catholic ones, too), asserted "the avowed doctrine of Catholicism was, that men could not think for themselves".
The doctrine that reason alone is merely the "slave of the passions," i.e., that reason pursues knowledge of abstract and causal relations solely in order to achieve passions' goals and provides no impulse of its own, is defended in the Treatise, but not in the second Enquiry, although in the latter he briefly asserts the doctrine without support.
They asserted they were not protesting the doctrine of Scientology, but rather alleged actions of individual Scientologists.
When Czechoslovakia under Alexander Dubček tried to liberalize its communist system in 1967 68, Brezhnev developed the concept, known in the West as the Brezhnev Doctrine, which asserted the right of Soviet intervention in cases where "the essential common interests of other socialist countries are threatened by one of their number".
Mīr Dāmād returned to Avicenna and sought to harmonize his views with those of al-Suhrawardī on the assumption that what Avicenna meant by his "Oriental" (mashriqiyyah) philosophy was identical with al-Suhrawardī's wisdom of "illumination" (ishrāq), which he interpreted as a Platonic doctrine that asserted the priority of essence (form) over being (existence).
Still seeking a mediatory solution, Sergius formulated in 638 the doctrine of monothelitism, which asserted that Christ has both divine and human natures but only one (divine) will.
In foreign affairs, he widely asserted his doctrine of peaceful coexistence with the noncommunist world, which he had first enunciated in a public speech at the 20th Party Congress.
He also asserted the existence of a medico-ecclesiastic alliance to explain the receipt of the doctrine in Protestant England under Henry VIII.
He strenuously rejected the doctrine of nullification, advanced by Calhoun and other South Carolinians, which asserted the rights of states to declare federal laws null and void within their borders.
