त्रयस्तस्या मतेर्देहा अधमोत्तममध्यमाः ।तमःसत्त्वरजःसंज्ञाः कारणं जगतः स्थितेः
In plain words
Of that mind there are three bodies — the lowest, the highest, and the middling — called tamas, sattva, and rajas — the cause of the world's continuance (sthitiḥ).