Curse not the king, no not even in your thought; and curse not the rich in your bedchamber: for a bird of the air shall carry the voice, and that which has wings shall tell the matter.
All Commentaries on Ecclesiastes 10:20 Go To Ecclesiastes 10
Athanasius the Apostolic
AD 373
If then those things, which are spoken in secret against you that are kings, are not hidden, is it not incredible that I should have spoken against you in the presence of a king and of so many bystanders? Defense Before Constantius