'We are Witnesses' in the Bible

Joshua said to the people, "Do you agree to be witnesses against yourselves that you have chosen to worship the Lord?" They replied, "We are witnesses!"

All the people who were at the gate and the elders replied, "We are witnesses. May the Lord make the woman who is entering your home like Rachel and Leah, both of whom built up the house of Israel! May you prosper in Ephrathah and become famous in Bethlehem.

You killed the Originator of life, whom God raised from the dead. To this fact we are witnesses!

And we are witnesses of these events, and so is the Holy Spirit whom God has given to those who obey him."

We are witnesses of all the things he did both in Judea and in Jerusalem. They killed him by hanging him on a tree,