Genesis 21:30

He replied, “You are to accept the seven ewe lambs from my hand so that this act will serve as my witness that I dug this well.”

Genesis 31:52

This mound is a witness and the marker is a witness that I will not pass beyond this mound to you, and you will not pass beyond this mound and this marker to do me harm.

Genesis 31:44-48

Come now, let’s make a covenant, you and I. Let it be a witness between the two of us.”

Instead, it is to be a witness between us and you, and between the generations after us, so that we may carry out the worship of the Lord in His presence with our burnt offerings, sacrifices, and fellowship offerings. Then in the future, your descendants will not be able to say to our descendants, ‘You have no share in the Lord!’

Joshua 24:27

And Joshua said to all the people, “You see this stone—it will be a witness against us, for it has heard all the words the Lord said to us, and it will be a witness against you, so that you will not deny your God.”