What should be done should be done (without hesitation). Do your duty with all endeavours, O Dhananjaya, the grief that deprives one of the power of acting, is indeed his greatest enemy.
यत् तु कार्यं भवेत् कार्ये कर्मणा तत् समाचर। हीनचेष्टस्य यः शोकः स हि शत्रुर्धनंजय॥