How do we answer those who say that faith saves and baptism is merely symbolic or merely a public manifestation of an inner reality?

Questions Covered:

 

17:28 - What is the real difference between a baptized and non-baptized person? 

22:55 - If I baptize my son Catholic and someday, he chooses to leave the Church, what will happen to him? Should we wait to baptize him until it is his choice? 

34:31 - How can a Baptist baptism be valid if they don’t believe a baptism is regenerative? 

37:22 - How can an infant repent and be baptized?  

45:23 - Is there any way to baptize a baby spiritually if the parents are not baptizing them? 

51:49 - Does a convert have to get rid of the “once saved, always saved” belief when they are baptized Catholic?