Treasury of Scripture Knowledge

Summary

This is the disciple which testifieth of these things, and wrote these things: and we know that his testimony is true.

Bible References

We know

John 19:35
And he who saw it has given witness (and his witness is true; he is certain that what he says is true) so that you may have belief.
1 John 1:1
That which was from the first, which has come to our ears, and which we have seen with our eyes, looking on it and touching it with our hands, about the Word of life
1 John 5:6
This is he who came by water and by blood, Jesus Christ; not by water only but by water and by blood.
3 John 1:12
Demetrius has the approval of all men and of what is true: and we give the same witness, and you are certain that our witness is true.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain