arcani

‘The disciplina arcani, or, the doctrine of reserve.’

The Hand of Ethelberta 2006

It was not only for fear of the Jews, as at first, that they adopted the method of instruction in secret, and which is to this day recognised by the catholic church as the then _disciplina arcani_, or "discipline of the secret;" but they kept it up even during the times of persecution, down to the time of St. Augustin.

Mysticism and its Results Being an Inquiry into the Uses and Abuses of Secrecy John Delafield

In time this rule gave rise to what is called the _Disciplina arcani.

Encyclopaedia Britannica, 11th Edition, Volume 3, Part 1, Slice 3 "Banks" to "Bassoon" Various

Allowing for certain reticences, especially in the earlier instructions given to catechumens (the disciplina arcani), and for certain slight differences, such as time always brings about in a living rite, it is evident that Cyril's liturgy is the one we know as that of St. James.

The Catholic Encyclopedia, Volume 8: Infamy-Lapparent 1840-1916 1913

The hearers are told to observe the disciplina arcani; Rom. they must repeat nothing to heathens and catechumens; the book also has a note to the same effect.

The Catholic Encyclopedia, Volume 4: Clandestinity-Diocesan Chancery 1840-1916 1913

It seems that in some places (in the West especially) for a time catechumens were not allowed to stay for the Gospel, which was considered part of the disciplina arcani.

The Catholic Encyclopedia, Volume 6: Fathers of the Church-Gregory XI 1840-1916 1913

He wrote for the heathens of his day, and observed the stiff and often merely formal disciplina arcani which the fourth century enforced.

The Catholic Encyclopedia, Volume 4: Clandestinity-Diocesan Chancery 1840-1916 1913

Passing over the teaching of the Alexandrine Clement and Origen, whose love of allegory, together with the restrictions of the disciplina arcani, involved their writings in mystic obscurity, we make particular mention of Hippolytus of Rome (d. 235) whose celebrated fragment

The Catholic Encyclopedia, Volume 10: Mass Music-Newman 1840-1916 1913

The custom itself is beyond dispute, but the name for it is comparatively modern, and does not appear to have been used before the controversies of the seventeenth century, when special dissertations bearing the title "De disciplinâ arcani" were published both on the Protestant and the Catholic side.

The Catholic Encyclopedia, Volume 5: Diocese-Fathers of Mercy 1840-1916 1913

Schelstrate, De Disciplinâ arcani (Antwerp, 1678); Meier, De reconditâ vet.

The Catholic Encyclopedia, Volume 5: Diocese-Fathers of Mercy 1840-1916 1913