Sankhya Karika Verse 54
Sanskrit Verse
ऊर्ध्वं सत्त्वविशालस्तमोविशालश्च मूलतः सर्गः । मध्ये रजोविशालो ब्रह्मादिस्तम्बपर्यन्तः ॥ ५४ ॥
Transliteration
ūrdhvaṃ sattva-viśālaḥ tamo-viśālaḥ ca mūlataḥ sargaḥ | madhye rajo-viśālaḥ brahma-ādi stamba-paryantaḥ ||
Translation
“Above, the creation is abundant in Sattva ; be low, it is abundant in Tamas ; in the middle, it is abundant in Rajas; such is the creation from Brahma down to a stock,
Reference: Sankhya Karika

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