Mīmāmsa Sūtra 01.01.28
अनित्यदर्शनाच्च ॥१-१-२८॥
anityadarśanācca ॥1-1-28॥
[अनित्य (anitya) - impermanent; not eternal; दर्शनात् (darśanāt) - from the perception; from the view; च (ca) - and;]
(And from the perception of impermanence;)
And also due to the perception of impermanence.