Manusmriti

siva.sh/manusmriti/9/251

एवं धर्म्याणि कार्याणि सम्यक् कुर्वन् महीपतिः । देशानलब्धान्लिप्सेत लब्धांश्च परिपालयेत् ॥ २५१ ॥

sanskrit

A king who thus duly fulfils his duties in accordance with justice, may seek to gain countries which he has not yet gained, and shall duly protect them when he has gained them.

english translation

evaM dharmyANi kAryANi samyak kurvan mahIpatiH | dezAnalabdhAnlipseta labdhAMzca paripAlayet || 251 ||

hk transliteration by Sanscript