The voice of the Holy Spirit is gentle, so soft that unless you’re living in complete fellowship & oneness with God, you’ll never hear it. That’s because the Holy Spirit’s Presence is perceived in near silence, and if your heart’s “ears” aren’t sensitive enough to detect His voice, you’ll ignore it. Sadly, the “still small voice” (I Kings 19:12) of the Holy Spirit can easily be drowned out by the clamor & chaos of today’s world around us… and unless we’re listening intently for His warning & restraint, we can grieve the Holy Spirit. (Ephesians 4:30) Also, the Apostle Paul’s writings about the Holy Spirit being a person, not some impersonal force, was not new but something he had quoted from Isaiah 63:10-11, where God’s people rebelled and grieved His Holy Spirit… only to be punished & impaired spiritually.