Vaisesika Sūtra 7.1.15

कर्मभिः अकर्माणि गुणैश्च गुणा व्याख्याताः ॥१५॥

karmabhiḥ akarmāṇi guṇaiś-ca guṇā vyākhyātāḥ ॥15॥

[कर्मभिः (karmabhiḥ) - by actions; अकर्माणि (akarmāṇi) - non-actions; गुणैः (guṇaiḥ) - by qualities; च (ca) - and; गुणाः (guṇāḥ) - qualities; व्याख्याताः (vyākhyātāḥ) - are explained;]

Non-actions have been explained by actions; qualities have been explained by qualities.