By that logic try this:
Baptism is for the forgiveness of sin
Jesus was baptised
Therefore, Jesus must have been sinful
Doesn’t quite add up does it?
Scott
It is explained in scripture that this would be the means by which John the Baptist would know who the Messiah was…
But John forbad him, saying, I have need to be baptized of thee, and comest thou to me? And Jesus answering said unto him, Suffer it to be so now:
for thus it becometh us to fulfil all righteousness. Then he suffered him. And Jesus, when he was baptized, went up straightway out of the water: and, lo, the heavens were opened unto him, and he saw the Spirit of God descending like a dove, and lighting upon him: (Matthew 3:14-16 KJV)
3:15
it is fitting for us to fulfill all righteousness. Christ was here identifying Himself with sinners. He will ultimately bear their sins; His perfect righteousness will be imputed to them (2 Cor. 5:21). This act of baptism was a necessary part of the righteousness He secured for sinners. This first public event of His ministry is also rich in meaning: 1) it pictured His death and resurrection (cf. Luke 12:50); 2) it therefore prefigured the significance of Christian baptism (see note on v. 6); 3) it marked His first public identification with those whose sins he would bear (Is. 53:11; 1 Pet. 3:18); and 4) it was a public affirmation of His messiahship by testimony directly from heaven (see note on v. 17).
MacArthur, John Jr: The MacArthur Study Bible. electronic ed. Nashville : Word Pub., 1997, c1997, S. Mt 3:15
The next day John seeth Jesus coming unto him, and saith, Behold the Lamb of God, which taketh away the sin of the world. This is he of whom I said, After me cometh a man which is preferred before me: for he was before me. And I knew him not: but that he should be made manifest to Israel, therefore am I come baptizing with water. And John bare record, saying, I saw the Spirit descending from heaven like a dove, and it abode upon him. And I knew him not:
but he that sent me to baptize with water, the same said unto me, Upon whom thou shalt see the Spirit descending, and remaining on him, the same is he which baptizeth with the Holy Ghost. And I saw, and bare record that this is the Son of God. (John 1:29-34 KJV)
You cannot use this my friend.