Manusmriti

siva.sh/manusmriti/7/183

अन्येष्वपि तु कालेषु यदा पश्येद् ध्रुवं जयम् । तदा यायाद् विगृह्यैव व्यसने चोत्थिते रिपोः ॥ १८३ ॥

sanskrit

Even at other times, when he has a certain prospect of victory, or when a disaster has befallen his foe, he may advance to attack him.

english translation

anyeSvapi tu kAleSu yadA pazyed dhruvaM jayam | tadA yAyAd vigRhyaiva vyasane cotthite ripoH || 183 ||

hk transliteration by Sanscript