Sāṃkhya Kārikā verse 23

adhyavasāyaḥ buddhiḥ dharmaḥ jñānaṃ virāga aiśvaryam | sāttvikam-etad-rūpaṃ tāmasam-asmāt-viparyastam ||

adhyavasāya - mental effort, apprehension; determination to begin an activity with a view to get the fruitbuddhi - the intellectual faculty; comprehension; intelligence, discernment, judgementdharma - essential qualities, according to the nature of anything; highest duty; customary observance or prescribed conductjñāna - knowing; knowledge; higher knowledgevirāga - indifference to external things or worldly objects; passionless, without feeling, dispassionate, excitement, irritation; indifferent; aversion, dislike or indifference to; change or loss of colouraiśvarya - the state of being a mighty lord, sovereignty, supremacy, power, sway; superhuman power (either perpetual or transient, consisting, according to some, of the following eight: aṇiman, laghiman, mahiman, prāpti, prākāmya, vaśitva, īśitva, kāmāvasāyitva)sattva - 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, realityetad - this, this here, here; sometimes used to give emphasis to the personal pronouns; it refers also to that which followsrūpa - any outward appearance or phenomenon or colour; form, shape, figure; aggregate; ‘formed or composed of’, ‘consisting of’tāmasa - appertaining to or affected by the quality tamas; ignorant, various; darknessasmāt - from thisviparyasta - turned over, reversed, opposite, contrary; interchanged, inverted