Bhagavad Gita 14.6 Chapter 14, Verse 6

तत्र सत्त्वं निर्मलत्वात्प्रकाशकमनामयम् ।
सुखसङ्गेन बध्नाति ज्ञानसङ्गेन चानघ ॥१४.६॥

tatra sattvaṃ nirmalatvātprakāśakamanāmayam
sukhasaṅgena badhnāti jñānasaṅgena cānagha

Meaning

Of these, sattva, being pure, is illuminating and free from affliction. It binds, O sinless one, through attachment to happiness and to knowledge.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 14.6 (Chapter 14, The Three Qualities of Nature (Gunatraya Vibhaga Yoga), Verse 6)