 The Mishnah interpreted the words "this our son" to exclude a boy who had a blind parent.The Mishnah interpreted the words "he will not obey our voice" to exclude a boy who had a deaf parent.The first two chapters of tractate Bava Metzia in the Mishnah, Tosefta, and Babylonian Talmud interpreted the laws of lost property in  The Mishnah read the reference to "your brother’s ox or his sheep" in to apply to any domestic animal.