Mambo ya Walawi 10 : 10 Leviticus chapter 10 verse 10

kisha, mpate kupambanua kati ya yaliyo matakatifu na hayo yaliyo ya siku zote, na kati ya yaliyo najisi na hayo yaliyo safi;
soma Mlango wa 10

and that you are to make a distinction between the holy and the common, and between the unclean and the clean;