योगवासिष्ठः yogavāsiṣṭhaḥ - book-3, chapter-11, verse-15

कारणाभावतः कार्यं नेदं तत्किंचनोदितम् ।
यत्तत्कारणमेवास्ति तदेवेत्थमवस्थितम् ॥ १५ ॥

kāraṇābhāvataḥ kāryaṃ nedaṃ tatkiṃcanoditam ,
yattatkāraṇamevāsti tadevetthamavasthitam 15

15. But as none of these works, has come into existence without some cause, that cause whatever it is, is situated in these productions of it: