तस्मादुत्तिष्ठ कौन्तेय युद्धाय कृतनिश्चयः ॥ ३७ ॥
jitvā vā bhokṣyase mahīm
tasmād uttiṣṭha kaunteya
O son of Kuntī, either you will be killed on the battlefield and attain the heavenly planets, or you will conquer and enjoy the earthly kingdom. Therefore, get up with determination and fight.
Even though there was no certainty of victory for Arjuna’s side, he still had to fight; for, even being killed there, he could be elevated into the heavenly planets.