[Knitebane]

He may be right, but not for the reasons he outlines.

"Roman matrons used to say to their sons: ‘Come back with your shield, or on it.’ Later on, this custom declined. So did Rome."

— Robert A. Heinlein

[TKDietz]

“’Roman matrons used to say to their sons: ‘Come back with your shield, or on it.’ Later on, this custom declined. So did Rome.’

— Robert A. Heinlein”

I thought that was the Spartans.