Skandapurana 5.186.26

5.186.26

so'bravīcchītalo vahniryadi syāduṣṇaguḥ śaśī ..
tanme syādanyathā vākyaṃ vyāhṛtaṃ prapitāmaha .. 26 ..

He said: “If fire should become cold, or if the moon should become hot-rayed, / only then could the word spoken by me turn out otherwise, O great-grandfather!”