“ An heir must lay on hands, an heir can effect a substitute. R. Judah says: An heir does not lay on hands, and an heir cannot effect a substitute. What is the reason of R. Judah's view? — [Scripture says:] His offering,16 i.e., but not his father's offering. And he infers the rule concerning the commencement of the dedication of the animal from the rule governing its end. Just as at the end of the dedication the heir does not lay on hands, thus also at the beginning17 he cannot effect a substitute. ”

“ A vow according to thy valuation,9 that only such persons as are fit to be made the subjects of a vow [as regards their worth] , are fit to be made subjects of a valuation, and that persons who are unfit to be made subjects of a vow [as regards their worth] , are also unfit to be made subjects of a valuation, hence Scripture informs us: of persons.9 i.e., no matter who they be. ”