Verse 10

समाधिस्थानकस्थस्य चेतश्चेद्वृत्तिचञ्चलम् ।तत्तस्य तत्समाधानं सममुन्मत्तताण्डवैः

In plain words

If the mind of one seated in the posture of samādhi is restless with vṛttis, then that samādhāna of his is equal to the frenzied dances of a madman.