Vaisesika Sūtra 3.1.05

कार्येषु ज्ञानात् ॥५॥

kāryeṣu jñānāt ॥5॥

[कार्येषु (kāryeṣu) - in effects; ज्ञानात् (jñānāt) - from knowledge.]

From knowledge (arising) because of effects.