A truly Christian life is nothing other than a daily Baptism...

Lastly, we must also know what Baptism signifies and why God has ordained just this outward sign and ceremony for the Sacrament by which we are first received into the Christian Church.  The act or ceremony is this: we are sunk under the water, which passes over us, and afterward are drawn out again.  These two parts, (a) to be sunk under the water and (b) drawn out again, signify Baptism's power and work.  It is nothing other than putting to death the old Adam and affecting the new man's resurrection after that.  Both of these things must take place in us all our lives.  So, a truly Christian life is nothing other than a daily Baptism, once begun and ever to be continued.  For this must be done without ceasing, that we always keep purging away whatever belongs to the old Adam.  Then what belongs to the new man may come forth.

~BOC, LC, IV, 64-65