And Aaron and hise sones schulen vse tho, whanne thei schulen entre in to the tabernacle of witnessyng, ether whanne thei neiyen to the auter, that thei mynystren in the seyntuarie, lest thei ben gilti of wickidnesse, and dien; it schal be a lawful thing euerlastynge to Aaron, and to his seed after hym.