John 10:28-30
I give them eternal life, and they shall never perish; no one shall snatch them out of my hand.
John 21:17
He said to him the third time, "Simon, son of John, do you love me?" Peter was grieved because he said to him the third time, "Do you love me?" And he said to him, "Lord, you know all things; you know that I love you." Jesus said to him, "Feed my sheep.
2 Corinthians 1:12
For our boast is this: the testimony of our conscience, that with holiness and godly sincerity, not in worldly wisdom but in the grace of God, we have conducted ourselves in the world, and still more toward you.
1 Thessalonians 2:10
You are witnesses, and God also, how holy and righteous and blameless we behaved toward you believers;