Manusmriti
ब्राह्मं प्राप्तेन संस्कारं क्षत्रियेण यथाविधि । सर्वस्यास्य यथान्यायं कर्तव्यं परिरक्षणम् ॥ २ ॥
A Kshatriya, who has received according to the rule the sacrament prescribed by the Veda, must duly protect this whole (world).
english translation
brAhmaM prAptena saMskAraM kSatriyeNa yathAvidhi । sarvasyAsya yathAnyAyaM kartavyaM parirakSaNam ॥ 2 ॥
hk transliteration by Sanscript