Vaisesika Sūtra 3.2.20

व्यवस्थातो नाना ॥२०॥

vyavasthāto nānā ॥20॥

[व्यवस्थातः (vyavasthātaḥ) - due to arrangement; नाना (nānā) - multiplicity;]

Multiplicity is due to arrangement.