When the Spartans seized upon Thebes, they placed Archias over the garrison. Pelopidas, with eleven others, banded together to put Archias to the sword. A letter containing full details of the plot was given to the Spartan polemarch at the banquet table; but Archias thrust the letter under his cushion, saying, “Business tomorrow.” But long ere that sun arose he was numbered with the dead.
Source: Dictionary of Phrase and Fable, E. Cobham Brewer, 1894
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