174. The externals of the body which pertain to worship are: (1) Frequenting temples. (3) Listening to sermons. (3) Devoutly singing, and praying on the knees. (4) Partaking the Sacrament of the Supper. And at home: (1) Prayer morning and evening, and at dinners and suppers. (2) Conversing with others about charity and faith, and about God, heaven, eternal life, and salvation. (3) And in the case of priests, preaching, and also private instruction. (4) And with everyone, the instruction of children and servants in such matters. (5) Reading the Word, and books of instruction and of piety.