पूर्वेभ्यस्तु प्रयत्नेभ्यो विषमोऽयं हि संस्मृतः ।दुःसाध्यो वासनात्यागः सुमेरून्मूलनादपि
In plain words
But this, compared with the efforts named before, is remembered as harder still: the relinquishing of vāsanā is harder to accomplish than even the uprooting of Mount Sumeru.