yat — that which; tu — but; kṛtsna-vat — as all in all; ekasmin — in one; kārye — work; saktam — attached; ahaitukam — without cause; atattva-artha-vat — without knowledge of reality; alpam — very meager; ca — and; tat — that; tāmasam — in the mode of darkness; udāhṛtam — is said to be.