Indeed, Yudhishthira of great energy said to me while commissioning me for this task even these words, viz., You should not, O Dhananjaya, kill those kings (who may give you battle).
अब्रवीद्धि महातेजाः प्रस्थितं मां युधिष्ठिरः। राजानस्ते न हन्तव्या धनंजय कथंचन॥