Verse 21

सम्यग्ज्ञानाग्निना यस्य दग्धाः संदेहजालिकाः ।निःशङ्कमलमुड्डीनस्तस्य चित्तविहङ्गमः

In plain words

For him whose webs of doubt are burnt away by the fire of true knowledge -- the bird that is his mind has taken flight, wholly and without fear.