Verse 18

निमेषान्तरमात्रेण मनः पीवरतां ययौ ।तस्मिन्प्राणवशात्पूर्णे तरङ्ग इव वारिणि

In plain words

In the space of a single blink the manas grew full within him, filled as he now was by the force of prāṇa -- like a wave in water.