अथ चेत्त्वमिमं धर्म्यं संग्रामं न करिष्यसि । ततः स्वधर्मं कीर्तिं च हित्वा पापमवाप्स्यसि

atha cettvamimaṃ dharmyaṃ saṃgrāmaṃ na kariṣyasi tataḥ svadharmaṃ kīrtiṃ ca hitvā pāpamavāpsyasi

If Arjuna refuses this righteous battle, he will abandon both his duty and his honor, and that failure will carry moral weight.