ज्ञानं कर्म च कर्ता च त्रिधैव गुणभेदतः । प्रोच्यते गुणसङ्ख्याने यथावच्छृणु तान्यपि ॥ १८-१९॥ jñānaṃ karma ca kartā ca tridhaiva guṇabhedataḥ procyate guṇasaṅkhyāne yathāvacchṛṇu tānyapi Knowledge, action, and actor are declared in the Science of Temperaments (gunas) to be of three kinds only, according to the distinctions of temperaments; hear them also duly. jñānaṃ = knowledge; karma = work; ca = also; kartā = worker; ca = also; tridhā = of three kinds; eva = certainly; guṇabhedataḥ = in terms of different modes of material nature; procyate = are said; guṇasaṃkhyāne = in terms of different modes; yathāvat = as they are; śṛṇu = hear; tāni = all of them; api = also.;