The bird is a dove which represents the Holy spirit. Luke 3:22. and the Holy Spirit descended on him in bodily form like a dove. And a voice came from heaven: “You are my Son, whom I love; with you I am well pleased.”
Fire is the power of God
Matthew 3:11 New Living Translation “I baptize with water those who repent of their sins and turn to God. But someone is coming soon who is greater than I am—so much greater that I’m not worthy even to be his slave and carry his sandals. He will baptize you with the Holy Spirit and with fire Luke 3:16 NLT John answered their questions by saying, “I baptize you with[a] water; but someone is coming soon who is greater than I am—so much greater that I’m not even worthy to be his slave and untie the straps of his sandals. He will baptize you with the Holy Spirit and with fire
When you ask Jesus to come into your heart, the Holy Spirit comes to dwell within you. There is no peace like the peace God offers. The world cannot give you the power and peace that comes from the presence of the living God
