Bhagavad Gita 18.29 Chapter 18, Verse 29

बुद्धेर्भेदं धृतेश्चैव गुणतस्त्रिविधं श्रृणु ।
प्रोच्यमानमशेषेण पृथक्त्वेन धनञ्जय ॥१८.२९॥

buddherbhedaṃ dhṛteścaiva guṇatastrividhaṃ śrṛṇu
procyamānamaśeṣeṇa pṛthaktvena dhanañjaya

Meaning

Now hear, O Dhananjaya, the threefold division of intellect and of resolve according to the qualities, explained fully and separately.

Newly written by Bhajan Dhun — scholarly review in progress.

Reference: Bhagavad Gita 18.29 (Chapter 18, Liberation through Renunciation (Moksha Sannyasa Yoga), Verse 29)