Treasury of Scripture Knowledge
"And while I was speaking, [the power of] the Holy Spirit descended on them [i.e., Cornelius' Gentile household] just like [it fell] on us [Jewish apostles] at the beginning [i.e., the day of Pentecost, See chapter 2].
Paul [then] said, "John immersed people who [demonstrated their] repentance, telling them they must believe in Jesus, the One who would come after him."
"I certainly am immersing you in water following [your] repentance, but the One who follows my [ministry], whose sandals I do not deserve to remove [as His slave], will immerse you people with the Holy Spirit and with fire [i.e., the punishment in hell. See verses
John answered [their concerns] by saying to all of them, "I am [the one] immersing you in water, but One who is more powerful than I will follow my [ministry]. I am not [even] worthy to loosen the straps of His sandals. He will immerse you people with the Holy Spirit and with fire [i.e., the punishment of hell. See Matt. 3:10-12].
And I would not have recognized Him, but I came immersing people in water so that He would become known to the Israelites."
1 Corinthians 12:13
For we were all immersed by means of the one Holy Spirit into one body [i.e., the church], whether [we were] Jews or Greeks [i.e., Gentiles], whether slaves or free people, and were all given the one [and the same] Holy Spirit to drink. [Note: This probably refers to the indwelling of the Holy Spirit, given to all immersed believers. See John 7:37-39; Acts 2:38].
He saved us, not because of any good deeds we ourselves had done, but because of His mercy. [He saved us] through the washing of new birth [Note: This refers to our immersion in water] and the renewing [work] of the Holy Spirit,