Mambo ya Walawi 5 : 3 Leviticus chapter 5 verse 3

au kama akiugusa uchafu wa binadamu, uchafu uwao wote ambao kwa huo amepata unajisi, na jambo hilo linamfichamania, hapo apatapo kulijua, ndipo atakapokuwa na hatia;
soma Mlango wa 5

"'Or if he touches the uncleanness of man, whatever his uncleanness is with which he is unclean, and it is hidden from him; when he knows of it, then he shall be guilty.