John 10:28-30
And I give them Immortal Life, and they shall not be lost; nor shall any one snatch them out of my hands.
John 21:17
The third time, Jesus said to him: "Simon, son of John, are you my friend?" Peter was hurt at his third question being 'Are you my friend?'; and exclaimed: "Master, you know everything! You can tell that I am your friend." "Feed my sheep," said Jesus.
2 Corinthians 1:12
Indeed, our main ground for satisfaction is this--Our conscience tells us that our conduct in the world, and still more in our relations with you, was marked by a purity of motive and a sincerity that were inspired by God, and was based, not on worldly policy, but on the help of God.
1 Thessalonians 2:10
You will bear witness, and God also, that our relations with you who believed in Christ were pure, and upright, and beyond reproach.