APAD: The die is cast.

The decision is made, it's too late to change, you've past the point of no return.

 

Background:

 

In 50 BC, his term was over as governor of the province of Cisalpine Gaul, and

the Senate in Rome ordered Caesar to disband his army and return to the capital

to the south.

        

He was expressly forbidden from bringing his army across the Rubicon river. But

Caesar did exactly that because he believed he would be slaughtered on his

return to Rome. He made the statement that became our proverb of the day after

fording the river with his legions, which amounted to rebellion, a declaration

of war on the Roman Senate.

 

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'Dice' is the plural of 'die' which refers to the small cube bearing 1 to 6 dots

on its sides. 'dice' also refers to a game of chance using (at least two) dice.