Sāṃkhya Kārikā verse 25

sāttvikaḥ ekādaśakaḥ pravartate vaikṛtād ahaṃkārāt |
bhūtādeḥ tanmātraḥ sa tāmasaḥ taijasād ubhayam ||

sattva - clarity; the quality of purityekādaśaka - consisting of eleven; the eleventhpravarta - engaging in, undertakingvaikṛta - modified, derivative, secondary; undergoing change, subject to modificationahaṃkāra - individuation; conception of individuality; the making of selfbhūta - element; living beingtanmātra - thatness, only that; a rudimentary or subtle element;sa - this; with, together or along withtāmasa - appertaining to or affected by the quality tamas; ignorant, various; darknesstaijasa - originating from or consisting of lightubhaya - both