Grieved (luphqei). Not to hurt, for in verse Acts 5 we read that he wanted (qelwn) to put him to death (apokteinai). Herod, however, shrank from so dastardly a deed as this public display of brutality and bloodthirstiness. Men who do wrong always have some flimsy excuses for their sins. A man here orders a judicial murder of the most revolting type "for the sake of his oath" (dia tou orkou). "More like profane swearing than deliberate utterance once for all of a solemn oath" (Bruce). He was probably maudlin with wine and befuddled by the presence of the guests.