Verse 34

मनः कृष्णमृत्सृज्य शममेष्यति विज्वरम् ।भूतपूर्ववपुर्भूत्वा तरङ्गः पयसीव ते

In plain words

The mind, casting off its darkness, will come to a peace free of fever, becoming again its former form -- like a wave in water.