olofob:1. infant baptism 2. worship on the first day of the week.
Well, that answered the first question. How about the second? What source do you use to substantiate that?
how do we know?
the passing on of the Apostolic Faith from one generation to the next, that we know will occur until Jesus returns at the end of the age. contrary to what the false teachers that have arisen have put forth ( as Jesus predicted they would ) the elect can not be fooled.