The Roman History · Amm. 14.1.7

And it had happened sometimes that, if in his secret chamber, when no domestic servant was by, the master of the house had whispered anything into his wife's ear, the very next day, as if those renowned seers of old, Amphiaraus or Marcius, had been at hand to report it, the emperor was informed of what had been said; so that even the walls of a man's secret chamber, the only witnesses to his language, were viewed with apprehension.

Ammianus Marcellinus · translated by C. D. Yonge · 1911 reprint
C. D. Yonge translation (preface dated February 1862); G. Bell and Sons, 1911; Project Gutenberg #28587
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