John 18:9

He said this that the statement He had just made might be fulfilled, "I have not lost one of those whom you have given me."

John 17:12

As long as I was with them, I kept them by your power which you gave me, and I protected them, and not one of them was lost, except the one who is now doomed to be lost, so that the Scripture might be fulfilled.

Treasury of Scripture Knowledge

Summary

That the saying might be fulfilled, which he spake, Of them which thou gavest me have I lost none.

Bible References

Of

John 17:12
As long as I was with them, I kept them by your power which you gave me, and I protected them, and not one of them was lost, except the one who is now doomed to be lost, so that the Scripture might be fulfilled.