Verse 65

विचारिणं भव्यपदं विश्रान्तधियमात्मनि ।न हरन्ति विकल्पौघा जलौघा इव पर्वतम्

In plain words

But one given to vicāra — who has come to the blessed state, his understanding at rest in the ātman — floods of vikalpa do not carry him off, any more than floods of water carry off a mountain.