The idea of tracing the sun's path among the stars was, when it occurred to Chaldaean astronomers, an original and, relatively to their means, a recondite one.
A more recondite work is his Compendium of Spherical Astronomy (1906).
Like all casuists, he took for granted that morality was a recondite science, beyond the reach of all but the learned.
From a linguistic point of view, these treatises with their appendages, the more mystic and recondite Aranyakas and the speculative Upanishads, have to be considered as forming the connecting link between the Vedic and the classical Sanskrit.
The predominance of this somewhat recondite teaching gave to these epistles even more the character of treatises, which in the case of Ephesians is further enhanced by the fact that it is probably a circular letter addressed not to a single church but to a group of churches.
