大般涅槃經義記 7.163

7.163

第二段中，「人身難得、如來難值、法難見聞」，此等明其善時難逢；「人命不停、過山水」下，好時易失，四喻顯之。

In the second section: 'Human existence is hard to obtain, the Tathāgata is hard to encounter, and the Dharma is hard to see and hear'—these clarify that the good time is difficult to meet. From 'Human life does not halt, surpassing mountain torrents...' onward, the good time is easy to lose, illustrated by four analogies.