And they cast dust on their heads, and cried, weeping and wailing, saying, Alas, alas, that great city, in which were made rich all that had ships in the sea by reason of her wealth! for in one hour is she made desolate.
All Commentaries on Revelation 18:19 Go To Revelation 18
Bede
AD 735
dust: That is, as defaming the face of their leaders, through whom they were reduced and perished; or, as accusing the madness of their own heart, which is the chief part of man, with a too late repentance.