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.
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.
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.