We are spirit beings who possess a soul (mind, will, emotions, intellect) and are wrapped up in flesh (1 Thessalonians 5:23).

All believers (Romans 10:9) receive the Holy Spirit within their spirit. At that time we become about one-third perfect because our spirit has the Spirit of God dwelling within. Being baptized is the outward sign of becoming a believer and receiving the Holy Spirit. Baptism does not determine salvation, but it is an outward acknowledgement of an inward change.

John 14:16 And I will pray the Father, and he shall give you another Comforter, that he may abide with you forever; 17 Even the Spirit of truth; whom the world cannot receive, because it sees him not, neither knows him: but you know him; for he dwells with you, and shall be in you.

Those who ask (Luke 11:13) and receive (Acts 19:2) are filled with the Holy Spirit. So, the Holy Spirit overflows from our spirit and fills our soul. This means we access the fruit of the Spirit (Galatians 5:22-23), and we access the mind of God (1 Cor 2:11) being able to communicate with Him (John 4:24). We choose to not only allow the Holy Spirit to dwell within our spirit and fill our soul, but we then choose to submit our flesh to Him as well (Galatians 5:18).

Acts 4:31 After they prayed, the place where they were meeting was shaken. And they were all filled with the Holy Spirit and spoke the word of God boldly.

~Inspired by Fredrick Price Jr and Dr. Creflo Dollar