which.

Luke 24:48
You are witnesses of these things.

Mark 1:1
This is the beginning of the gospel of Jesus Christ, the Son of God.

John 15:27
And you also must testify, because you have been with Me from the beginning.

Acts 1:3, 8, 21, 22
After His suffering, He presented Himself to them with many convincing proofs that He was alive. He appeared to them over a span of forty days and spoke about the kingdom of God. . . .

Acts 4:20
For we cannot stop speaking about what we have seen and heard."

Acts 10:39-41
We are witnesses of all that He did, both in the land of the Jews and in Jerusalem. And although they put Him to death by hanging Him on a tree, . . .

Hebrews 2:3
how shall we escape if we neglect such a great salvation? This salvation was first announced by the Lord, was confirmed to us by those who heard Him,

1 Peter 5:1
As a fellow elder, a witness of Christ's sufferings, and a partaker of the glory to be revealed, I appeal to the elders among you:

1 John 1:1-3
That which was from the beginning, which we have heard, which we have seen with our own eyes, which we have gazed upon and touched with our own hands--this is the Word of life. . . .

and.

Acts 26:16
But get up and stand on your feet. For I have appeared to you to appoint you as a servant and as a witness of what you have seen from Me and what I will show you.

Romans 15:16
to be a minister of Christ Jesus to the Gentiles in the priestly service of the gospel of God, so that the Gentiles might become an acceptable offering to God, sanctified by the Holy Spirit.

Ephesians 3:7, 8
I became a servant of this gospel by the gift of God's grace, given me through the working of His power. . . .

Ephesians 4:11, 12
And it was He who gave some to be apostles, some to be prophets, some to be evangelists, and some to be pastors and teachers, . . .

Colossians 1:23-25
if indeed you continue in your faith, established and firm, not moved from the hope of the gospel you heard, which has been proclaimed in all creation under heaven, and of which I, Paul, have become a servant. . . .