His relations towards the unorthodox caliph Nur-ed-din were marked by extraordinary tact.
Other edicts of an earlier or later date forbade the unorthodox to hold assemblies in the towns, enjoined the surrender of all churches to the catholic bishops, and overthrew the heathen temples "throughout the whole world."
Edgar, who was an only child, was much alone, but his mother (Eugenie Rozat Lagis, who was a person of education and strong though somewhat unorthodox religious views) exercised great influence over him.
About the beginning of the 17th century he became a preacher among a sect called the "Seekers," and appears to have held unorthodox opinions about the divinity of Jesus Christ.
It was a menace to his empire on the south, the occasional ally of the Franks and the home of the unorthodox caliphs.
Here too we have the first sure trace of an expurgated recension, made with the idea of recovering the genuine form assumed, as earlier by Epiphanius, to lie behind an unorthodox recension of Clement's narrative.
By the end of 1771 his scientific reputation was such that he was suggested for the post of "astronomer" to Captain Cook's second expedition to the South Seas, but his unorthodox opinions were objectionable to certain members of the board of longitude and the appointment was not ratified.
They ranged from such problems as the land settlement of the Punjab, or the introduction of civil marriage to provide for the needs of unorthodox Hindus, to the question how far the study of Persian should be required or encouraged among European civil servants.
The merest suspicion of unorthodox opinions, the possession of foreign newspapers, the wearing of a beard or an anonymous denunciation, sufficed for the arrest and condemnation of a man to years of imprisonment, while the attendibili, or persons under police surveillance liable to imprisonment without trial at any moment, numbered 50,000.
His form of religious sentiment was not evangelical or mystical, any more than it was ascetic or ceremonial or dogmatic. As regards one of the accepted doctrines of his own church, the excellence of the celibate life, of poverty, and of elaborate obedience to a rule, he no doubt was a strong dissident; but the evidence that, as a Christian, he was unorthodox, that he was even a heretical or latitudinarian thinker in regard to those doctrines which the various Christian churches have in common, is not merely weak, it is practically nonexistent.
Erigena's contemporaries, and was certainly unorthodox enough to justify the condemnation which it subsequently received from Honorius III.; but its influence, together with that of the Pseudo-Dionysius, had a considerable share in developing the more emotional orthodox mysticism of the 12th and 13th centuries; and Neoplatonism (or Platonism received through a Neoplatonic tradition) remained a distinct element in medieval thought, though obscured in the period of mature scholasticism by the predominant influence of Aristotle.
Thirdly, there can be no doubt that the Christians had recently assumed a much bolder attitude, and thus segregated themselves from the mass of those unorthodox sects which the Roman could afford to despise.
His enemies accused him before a synod of French bishops (602) for keeping Easter according to the old British and now unorthodox way, and a more powerful conspiracy was organized against him at the court of Burgundy for boldly rebuking the crimes of King Theuderich II.