Yathā naro āpagamotaritvā,
mahodakaṃ salilaṃ sīghasotaṃ,
so vuyhamāno anusotagāmī --
kiṃ so pare sakkhati tārayetuṃ?
Listen: http://host.pariyatti.org/dwob/sutta_nipata_2_321.mp3
If one going down into a river,
swollen and swiftly flowing,
is carried away by the current --
how can one help others across?
Sutta Nipāta 2.321