The child learns to speak because his father speaks to him. He learns the speech of his father. So we learn to speak to God because God has spoken to us and speaks to us. By means of the speech of the Father in heaven His children learn to speak with Him. Repeating God’s own words after Him, we begin to pray to Him.
For the Holy Spirit will teach you in that very hour what you ought to say.
For as many as are led by the Spirit of God, these are sons of God. For you did not receive the spirit of bondage again to fear, but you received the Spirit of adoption by whom we cry out, “Abba, Father.” The Spirit Himself bears witness with our spirit that we are children of God, and if children, then heirs—heirs of God and joint heirs with Christ, if indeed we suffer with Him, that we may also be glorified together.
Prayer is not logical; it is a mysterious moral working of the Holy Spirit.
Praying always with all prayer and supplication in the Spirit, being watchful to this end with all perseverance and supplication for all the saints— and for me, that utterance may be given to me, that I may open my mouth boldly to make known the mystery of the gospel,