tasmād ajñāna-sambhūtaṁ hṛit-sthaṁ jñānāsinātmanaḥ
chhittvainaṁ sanśhayaṁ yogam ātiṣhṭhottiṣhṭha bhārata||42||

Meaning : Arjuna to use knowledge as a powerful weapon to cut through the doubts caused by ignorance in his heart. He urges him to rise above uncertainty and steadfastly follow the path of yoga with courage and focus.