Kumbukumbu la Torati 31 : 21 Deuteronomy chapter 31 verse 21

Tena itakuwa, wakiisha kujiliwa na mambo maovu mengi na mashaka, utashuhudia wimbo huu mbele yao kama shahidi, kwa maana hautasahauliwa katika vinywa vya uzao wao; kwani nayajua mawazo yao wayawazayo, hata sasa kabla sijawatia katika nchi niliyoapa.
soma Mlango wa 31

It shall happen, when many evils and troubles are come on them, that this song shall testify before them as a witness; for it shall not be forgotten out of the mouths of their seed: for I know their imagination which they frame this day, before I have brought them into the land which I swore.