Verse 30

ग्रहीतुं च न शक्यन्ते संकल्पजलवीचयः ।मनाग्दृष्टा विवर्धन्ते ह्रसन्ति सपरिच्छदाः

In plain words

The waves of saṃkalpa's waters cannot be seized; glimpsed but slightly, they swell, and they shrink, trappings and all.