Baptism is for all because the promise is for all, adults and children of all ages alike.
BibleGateway: Acts 2:37-47 ESV Text: Acts 2:37-47 KJV Text: The section starts at about 4:37 and ends at about 6:13 37 Now when they heard this, they were pricked in their heart, and said unto… Baptism is for all because the promise is for all, adults and children of all ages alike.