He indwells all of us, you know? The animating breath of creation. We would yet be dust without his intervention, his interruption of nature. He is closer to your soul than your breath is to your lungs.
who proceeds from the Father and the Son;
I don’t comprehend the controversy, but he is the Love between YHWH and Jesus. And he draws us into the creation dance, swirling around our senses and tickling our minds.
with the Father and the Son he is worshiped and glorified;
The Holy Spirit is not a messenger from God, nor is he reducible to human conscience. He is fully God. The central picture of the beatific vision is the Trinity–love poured out in perfection.
He has spoken by the Prophets.
It is noteworthy that the creed highlights the prophets while ignoring the histories and the Pentateuch. The central place of revelation in the Hebrew scriptures is the prophets. His central message to all hearts is to do justice, love mercy, and walk humbly with God.