Verse 39

विषयैर्नीयमाने तु चित्ते मर्कटचञ्चले ।न स लेभे समाधानप्रतिष्ठां प्रीतिदायिनीम्

In plain words

But his citta, restless as a monkey, being carried off by sense-objects, he did not attain the joy-giving stability of samādhāna.