Mahabharata 3.148.10

हनूमानुवाचकृतं नाम युगं तात यत्र धर्मः सनातनःकृतमेव न कर्तव्यं तस्मिन्काले युगोत्तमे

hanūmānuvācakṛtaṃ nāma yugaṃ tāta yatra dharmaḥ sanātanaḥkṛtameva na kartavyaṃ tasminkāle yugottame

Our plain-language meaning of this verse is waiting for scholar review.