John 10:28-30
and I give to them eternal life; and they shall never perish, nor shall any one snatch them out of My hand.
John 21:17
He saith to him the third time, "Simon, son of John, do you fondly love Me?" Peter was grieved, because He said to him the third time "Do you fondly love Me?" and he said to Him, "Lord, Thou knowest all things; Thou knowest that I do fondly love Thee." Jesus saith to him, "Feed My sheep.
2 Corinthians 1:12
For our glorying is this, the testimony of our conscience, that in holiness and sincerity of God, not in fleshly wisdom, but in the grace of God, we behaved ourselves in the world, and more abundantly toward you.
1 Thessalonians 2:10
Ye are witnesses, and God, how piously and righteously and unblamably we behaved toward you who believe;