THE FIRST BAPTISIM IS THE WASHING OF THE SINS SUCH AS BAPTISIM JOHN THE BAPTIST DID WHEN SOMEONE ACCEPTED GOD AND JESUS
THE SECOND BAPTISIM IS OF THE HOLY GHOST MATHEW CH 3 VS 11JOHN TALKING I INDEED BAPTIZE YOU WITH WATER UNTO REPENTANCE BUTHE THAT COMMETH AFTERME IS MIGHTER THAN I WHOS SHOES IAM NOT WORTHY TO BEAR HE SHALL BAPTIZE YOU WITH THE HOLY GHOST AND WITH FIRE
HE IS TALKING ABOUT JESUS PERFECTING US AND COMPLETING US WITH HIS SPIRIT THE HOLY GHOST AND THE FIRE THAT BURNS IN OUR HEART TO MAKE US WANT TO KEEP WORSHIPING HIM