According to Herodotus , Darius had his bow brought to him and then shot Use_firearm an arrow `` upwards towards heaven '' , saying Communication as he did so : `` Zeus , that it may be granted me to take vengeance upon the Athenians ! `` .

Herodotus further writes that Darius charged Imposing_obligation one of his servants to say `` Master , remember the Athenians '' three times before dinner each day .