1652, Thomas Urquhart, The Jewel (as quoted in editions from 1774 and 1983):
[...] as if they were his cardiognosts, and fully versed in his intentions [...]
1988, C. A. E. Luschnig, Tragic Aporia: A Study of Euripides' Iphigenia at Aulis (Ramus monographs; 3), Berwick, Vic.: Aureal Publications, →ISBN, page 94:
This too is a small thing, trivialised by Medea: Jason's sex-appeal will win the amorous girl's acceptance; the splendour of the luxurious gifts will work on the girl's greed and vanity. Medea is a cardiognost; she never misses: even the scene in which she makes no advance in her schemes works in their favour, whether planned or not.
