4 Bible Verses about The Holy Spirit Described As A Voice

So, even as the Holy Spirit said [Psa. 95:7-11], "Today, if you hear His [i.e., God's] voice, do not have a stubborn heart like you did when you provoked [God] during the time you tested [His patience] in the desert, where your forefathers tried me and tested [my patience] when they saw what I did for forty years.read more.
Therefore, I was angry with that generation of people and said, 'They always go astray in their hearts, and they did not understand my ways.' So I vowed in my anger, 'They will not enter a state of rest with me.'"

But when they turn you over [to them], do not worry about how to speak or what you should say. For you will be told [i.e., by God] what to say at the right time. For it will not be you who speaks, but [rather] the Holy Spirit of your Father will be speaking in you.

And when they lead you into court, and hand you over [to be judged], do not worry ahead of time about what you will say, but [just] say whatever you are told [i.e., by God] when the time comes.

However, when the Holy Spirit of truth comes, He will lead you [apostles] into all the truth. For He will not speak on His own authority, but will speak [only] what He hears [from the Father]. And He will tell you about the things that are to come.