Verse 157

नसुखंवेदशास्त्रेषु ।नसुखंमंत्रयंत्रके ॥गुरोःप्रसादादन्यत्र ।सुखंनास्तिमहीतले ॥

In plain words

There is no happiness in the Vedas and the śāstras, no happiness in mantra and yantra. Apart from the guru's prasāda there is no happiness on the face of the earth.