Yōga Sūtras
Yōga Sūtra 3.50
सत्त्वपुरुषान्यताख्यातिमात्रस्य सर्वभावाधिष्ठातृत्वं सर्वज्ञातृत्वं च।
Such Sātvik soul by discerning the differences alone gets supremacy over all states of mind and the ability to understand everything.