Yudhishthira, the son of Kunti, is established on sound and strict virtue in this world. You are not fit to vanquish him without losing your life.
युधिष्ठिरं हि कौन्तेयं परं धर्ममिहास्थितम्। परां गतिमसम्प्रेत्य न त्वं जेतुमिहार्हसि॥