You also, as living stones, are built up as a spiritual house, to be a holy priesthood, to offer up spiritual sacrifices, acceptable to God through Jesus Christ.

 (iii) The function of the Church is to tell forth the excellencies of God. That is to say, it is to witness to men concerning the mighty acts of God. By his very life, even more than by his words, the Christian is to be a witness of what God in Christ has done for him. 