Even after enlisting a large army consisting of the fourfold forces, you should, O Yudhishthira, first behave peacefully. If your attempts to secure peace fail, then you may engaged in battle.
सम्भृत्य महतीं सेनां चतुरङ्गां युधिष्ठिर। साम्नैव वर्तयेः पूर्वं प्रयतेथास्ततो युधि॥