Merit of the most sacred and the highest order is associated with kings and kingdoms. By ruling a kingdom well, a king acquires the merit of a Horse-sacrifice with the whole Earth given away as sacrificial gift.
योऽप्यत्र परमो धर्मः पवित्रं राजराज्ययोः। पृथिवी दक्षिणा यस्य सोऽश्वमेधेन युज्यते॥