yathāvac chṛṇu tāny api

jnanam-knowledge; karma-work; ca-also; karta-worker; ca-also; tridha-three kinds; eva-certainly; guna-bhedatah-in terms of different modes of material nature; procyate-is said; guna-saṅkhyane-in terms of different modes; yathavat-as they act; srnu-hear; tani-all of them; api-also.