18.59 यत् if, अहङ्कारम् egoism, आश्रित्य having taken refuge in, न not, योत्स्ये (I) will fight, इति thus, मन्यसे (thou) thinkest, मिथ्या vain, एषः this, व्यवसायः resolve, ते thy, प्रकृतिः nature, त्वाम् thee, नियोक्ष्यति will compel.Commentary: This strong determination of thy mind will be rendered utterly futile by thy inner nature thy nature will constrain thee thy nature as a warrior will compel thee to fight. It is a mere illusion to say that thou art Arjuna, that these are thy relatives and that to kill them will be a sin.