Vaisesika Sūtra 5.2.24

कारणं त्वऽसमवायिनो गुणाः ॥२४॥

kāraṇaṁ tv asamavāyinō guṇāḥ ॥24॥

[कारणम् (kāraṇam) - cause; तु (tu) - but; असमवायिनः (asamavāyinaḥ) - non-inherent; गुणाः (guṇāḥ) - qualities;]

Because the cause is non-inherent within the qualities.