Sāṃkhya Kārikā verse 54

ūrdhvaṃ sattva-viśālaḥ tamo-viśālaḥ ca mūlataḥ sargaḥ | madhye rajo-viśālaḥ brahma-ādi stamba-paryantaḥ ||

ūrdhva - upwards, towards the upper part; aloof, abovesattva - clarity; the quality of transparency or purity; luminous; honesty; the quality of goodness; material or elementary substance, entity, matter; nature, disposition of mind; being, existence, entity, realityviśāla - abundant in, full of; spacious, extensive, broad, wide, largetamas - obscuring; mental darkness, ignorance, illusion, error; deprived of the eye's light or sight; darkness, gloomca - andmūla - rootsarga - emission or creation of matter, primary creation, creation of the world; a created being, creature; letting go, discharging, voidingmadhya - moderateness; middle, central, being in the middle or centre; Intervening, intermediate; standing between two, impartial, neutralrajas - excitingbrahman - that which expands; the absolute, the eternal; the class of men who are the repositories and communicators of sacred knowledge, the Brāhmanical caste as a bodyādi - in the beginning, at first; beginning, commencement; a firstling, first-fruits; beginning with, and so on; and the reststambha - suspensionparyanta - to the end of, as far as; from one end to the other;