Acts 8
36 Ref As they went on the way, they came to some water, and the eunuch said, "Behold, here is water. What is keeping me from being baptized?"
37 {TR adds "Philip said, 'If you believe with all your heart, you may.' He answered, 'I believe that Jesus Christ is the Son of God.'"}
38 Ref He commanded the chariot to stand still, and they both went down into the water, both Philip and the eunuch, and he baptized him.