According to halakha, all individual prayers and virtually all communal prayers may be said in any language that the person praying understands. For example, the "Mishnah" mentions that the "Shema" need not be said in Hebrew. A list of prayers that must be said in Hebrew is given in the Mishna, and among these only the Priestly Blessing is in use today, as the others are prayers that are to be said only in a Temple in Jerusalem, by a priest, or by a reigning King.