|1. Baptism is a sign of a covenant, not a sign of faith (IMO). Circumcison was a sign of the old covenant, and God clearly asked the Jews to circ their sons, though their sons were not able to choose anything. I don't see faith as a choice (I am a Calvinist), I see it as something God chooses or ordains for us, and our baptism of our children is simply including them in His people. We are a People just like the Jews were/are a People, and our children are included in the covenant with Him.|
I'm a Calvinist too, but I deny that faith is not, from the human perspective, very much a choice. It's a choice metaphysically caused by God, but still a choice. Calvinists believe in will, just not libertarian free will. (Of course, Calvinists traditionally believe in infant baptism too, so YMMV!)
Hebrews 8 contrasts the two covenants:
|10 For this is the covenant that I will make with the house of Israel
after those days, declares the Lord:
I will put my laws into their minds,
and write them on their hearts,
and I will be their God,
and they shall be my people.
11And they shall not teach, each one his neighbor
and each one his brother, saying, 'Know the Lord,'
for they shall all know me,
from the least of them to the greatest.
12For I will be merciful toward their iniquities,
and I will remember their sins no more."
13In speaking of a new covenant, he makes the first one obsolete. And what is becoming obsolete and growing old is ready to vanish away.
|Oh, and the BIble is quite clear that you should never be baptized more than once.|