Verse 8

अज्ञानमुच्यते पापं तद्विचारेण नश्यति ।पापमूलच्छिदं तस्माद्विचारं न परित्यजेत्

In plain words

Ajñāna is called sin; through vicāra it perishes. Therefore one should never abandon vicāra, which severs sin at its very root.