While Leonidas was preparing to make his stand, a Persian envoy arrived. The envoy explained to Leonidas the futility of trying to resist the advance of the Great King's army and demanded that the Greeks lay down their arms and submit to the might of Persia. Leonidas laconically told Xerxes, "Come and get them.
PlutarchIt is wise to be silent when occasion requires, and better than to speak, though never so well.
PlutarchWhere two discourse, if the anger of one rises, he is the wise man who lets the contest fall.
Plutarch