Vaisesika Sūtra 10.2.08

द्रुष्टानां द्रुष्टप्रयोजनानां द्रुष्टाभावे प्रयोगोभ्युदयाय ॥८॥

dṛṣṭānāṁ dṛṣṭa-prayojanānāṁ dṛṣṭa-abhāve prayogaḥ abhyudayāya ॥8॥

[दृष्टानाम् (dṛṣṭānām) - of the seen; दृष्टप्रयोजनानाम् (dṛṣṭa-prayojanānām) - of those with known purpose; दृष्टाभावे (dṛṣṭa-abhāve) - in absence of the seen; प्रयोगः (prayogaḥ) - application; अभ्युदयाय (abhyudayāya) - for prosperity;]

The application of what is seen and purposeful, in the presence of the unseen, is for prosperity.