Verse 66

समूलं नश्यतः क्षिप्रं मूलच्छेदादिव द्रुमः ।संविदं विद्धि संवेद्यं बीजं धीरतया विना

In plain words

perish together, root and all, swiftly, as a tree does when its root is cut. Know steadfastly that saṃvit is the seed of the object of cognition; without it —