Vaisesika Sūtras
Vaisesika Sūtra 7.2.15
गुणोऽपि विभाव्यते ॥१५॥
guṇo'pi vibhāvyate ॥15॥
[गुणः (guṇaḥ) - quality; अपि (api) - also; विभाव्यते (vibhāvyate) - is distinctly perceived;]
(Quality also is perceived.)
Even a quality is distinctly recognized.