Arthashastra
अभृत व्याधितयोर् अभृतं तदात्व कृत वेतनं युध्येत, न व्याधितम् अकर्मण्यम् ॥
Of unpaid and diseased armies, the unpaid may be taken to fight after making full payment but not the diseased, which is unfit for work.
english translation
abhRta vyAdhitayor abhRtaM tadAtva kRta vetanaM yudhyeta, na vyAdhitam akarmaNyam ॥
hk transliteration by Sanscript