Verse 42

भ्रूनासातालुसंस्थासु द्वादशाङ्गुलिकोटिषु ।अभ्यासाच्छाम्यति प्राणो दूरे गिरिनदी यथा

In plain words

At the points twelve finger-breadths out, situated at the eyebrows, the nose, and the palate, prāṇa grows still through practice, like a mountain river far away.