Shatapatha Brahmana 13.1.9.2

13.1.9.2

ā rāṣṭre rājanyaḥ śūra iṣavyo'tivyādhī mahāratho jāyatāmiti rājanya eva śauryam mahimānaṃ dadhāti tasmātpurā rājanyaḥ śūra iṣavyo'tivyādhī mahāratho jajñe

'In the royal order may the Râganya be born, heroic, skilled in archery, sure of his mark, and a mighty car-fighter:' on the Râganya he thereby bestows the grandeur of heroism, whence of old the Râganya was born as one heroic, skilled in archery, certain of his mark, and a mighty car-fighter.