Brahma Sūtra 2.2.25
Śaṅkara
Advaita Vedānta
Numbered 2.2.26 in this text
Sūtra
नासतोऽदृष्टत्वात्
nāsato'dṛṣṭatvāt
Sūtra translation
(Entity) does not spring from non-entity on account of that not being observed.
The system of the Vainâsikas is objectionable for this reason also that those who deny the existence of permanent stable causes are driven to
Rāmānuja
Viśiṣṭādvaita Vedānta
Sūtra
नासतोदृष्टत्वात्
nāsatodṛṣṭatvāt
Sūtra translation
Not from non-entity, this not being observed.
So far we have set forth the arguments refuting the views of the Vaibhâshikas as well as the Sautrântikas—both which schools maintain the reality
Madhva
Dvaita Vedānta
Numbered 2.2.26 in this text
Sūtra
नासतोऽदृष्टत्वात्
nāsato'dṛṣṭatvāt
Sūtra translation
(Entity) does not spring from non-entity, that not being observed.
As non-entity has not been observed (to produce entity), it does not stand to reason to suppose it (non- entity) to be the cause.