Bhagavad Gīta Bhāshya and Tātparya
B.G 11.12
दिवि सूर्यसहस्रस्य भवेद्युगपदुत्थिता। यदि भाः सदृशी सा स्याद्भासस्तस्य महात्मनः ॥१२॥
If the radiance of a thousand suns were to rise simultaneously in the sky, that might resemble the brilliance of that great being.
Gīta Bhāshya 11.12
The word 'thousand' signifies the infinite. One must contemplate on the greater purport in a broader sense. No purpose gets served by stating a specific quantity.
सहस्रशब्दोऽनन्तवाची। तदपि "पाकशासनविक्रमः" इति वत् प्रत्यायनार्थमेव। तथाहि ऋग्वेदखिलेषु-
The word 'thousand' signifies the infinite. Like the phrase "valour of the wielder of the thunderbolt", it is used merely for suggestive emphasis. Similar are the suggestions in ṛgvedakhila Vedic testimonial.
"अनन्तशक्तिः परमोऽनन्तवीर्यः सोऽनन्ततेजाश्च ततस्ततोऽपि॥"
"He is of infinite power, supreme, of infinite might, of infinite brilliance, and beyond all that."
इति।
- stated thus.
महातात्पर्याच्च बाहुल्यम्। न च परिमाणोक्त्या किञ्चित् प्रयोजनम् ॥१२॥
The greater purport needs to be understood in a broader sense, with multiple examples pointing to it. No purpose gets served by stating a specific quantity.

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बहुचित्रजगद्बहुधाकरणात् परशक्तिरनन्तगुणः परमः ।
सुखरूपममुष्य पदं परमं स्मरतस्तु भविष्यति तत्सततम् ॥
"The one who has created this variegated vast universe with varied forms has infinite power and is of infinite auspicious qualities. He certainly bestows the highest state of bliss to those who meditate on his ever happy essence." -Dwādasha stōtra 4.3

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