Verse 2.3

क्लैब्यं मा स्म गमः पार्थ नैतत्त्वय्युपपद्यते। क्षुद्रं हृदयदौर्बल्यं त्यक्त्वोत्तिष्ठ परन्तप।।2.3।।

klaibyaṁ mā sma gamaḥ pārtha naitat tvayyupapadyate kṣhudraṁ hṛidaya-daurbalyaṁ tyaktvottiṣhṭha parantapa

Don't be a total wimp, Arjuna, son of Pritha. That's not you. Dump this weak-sauce heart-stuff! Get up, foe-slayer!

Bro, like, totally ditch the weakness, it's not your vibe. Get over this lame heart-stuff, and rise up, warrior!