Many kings wielding great power have passed away who, having regard to the (possible) gravity of the undertaking, could not bring themselves to promise anything before hand.
बहवः पार्थिवा राजन्नातिक्रान्ता महाबलाः। कार्यस्य गौरवं मत्वा प्रतिज्ञां नाभ्यरोचयन्॥