The Trinity: Each Person In, Described as Inspiring the Prophets
Source: TTT
Hebrews 1:1
On many past occasions and in many different ways, God spoke to our fathers through the prophets.
2 Corinthians 13:3
since you are demanding proof that Christ is speaking through me. He is not weak in dealing with you, but is powerful among you.
Mark 13:11
But when they arrest you and hand you over, do not worry beforehand what to say. Instead, speak whatever you are given at that time, for it will not be you speaking, but the Holy Spirit.