Acts 2:4
And they were all filled with the Holy Ghost, and began to speak with other tongues, as the Spirit gave them utterance.

2 Corinthians 13:3
I will give you all the proof you want that Christ speaks through me. Christ is not weak in his dealings with you but is a mighty power within you.

Luke 21:15
For I [Christ] will give you speech and wisdom that none of your adversaries will be able to resist or contradict.

2 Samuel 23:2
The Spirit of the LORD spoke through me; his Word was on my tongue.