Verse 5

चित्त चञ्चल संसार आत्मनो न सुखाय ते ।शममेहि शमाच्छान्तं सुखं सारमवाप्यते

In plain words

O citta, restless one, saṃsāra is not for your own happiness. Come to śama: from śama is attained happiness that is tranquil, the very essence.