AVŚ 17.1.19
असति सत् प्रतिष्ठितं सति भूतं प्रतिष्ठितम् । भूतम् ह भव्य आहितं भव्यं भूते प्रतिष्ठितं तवेद् विष्णो बहूधा वीर्याणि । त्वं नः पृणीहि पशुभिर् विश्वरूपैः सुधायां मा धेहि परमे व्योमन् ॥१९॥
asati sat pratiṣṭhitaṃ sati bhūtaṃ pratiṣṭhitam | bhūtam ha bhavya āhitaṃ bhavyaṃ bhūte pratiṣṭhitaṃ taved viṣṇo bahūdhā vīryāṇi | tvaṃ naḥ pṛṇīhi paśubhir viśvarūpaiḥ sudhāyāṃ mā dhehi parame vyoman ||19||
Devanagari rendered by HREEM from the edition's roman (IAST) text; the IAST is the edition's own.
In the non-existent is the existent made firm; in the existent is being (bhūtá) made firm; being is set in what is to be; what is to be is made firm in being. Thine, O Vishṇu etc. etc.
Translated by William Dwight Whitney (1905)