Ramayana
बलावमर्थस्तयि सन्निकृष्टे यथा गते शाम्यति शान्तशत्रौ । तथा समीक्ष्यात्मबलं परं च समारभस्वास्त्रविदां वरिष्ठ ॥ ५-४८-१०
'O warrior of extraordinary merit among the wielders of astras asses your strength approach the enemy in a manner by which he is subdued without causing further destruction to our army. Carefully measure your own strength and your enemy's before you start fighting. ॥ 5-48-10॥
english translation
balAvamarthastayi sannikRSTe yathA gate zAmyati zAntazatrau । tathA samIkSyAtmabalaM paraM ca samArabhasvAstravidAM variSTha ॥ 5-48-10
hk transliteration by Sanscript