Arthashastra
यद् अङ्गम् अल्प सारम् आत्मनस् तद् बहुना उपचिनुयात् ॥
He should array his troops on that side on which the enemy is weak or from which danger is apprehended.
english translation
yad aGgam alpa sAram Atmanas tad bahunA upacinuyAt ॥
hk transliteration by Sanscript