John 10:28-30
and I give them eternal life, and they shall never be lost, and no one shall tear them out of my hands.
John 21:17
Jesus said to him a third time, "Simon, son of John, do you love me?" Peter was hurt because the third time Jesus asked him if he loved him, and he answered, "Master, you know everything, you can see that I love you." Jesus said to him, "Then feed my sheep!
2 Corinthians 1:12
For my boast is what my conscience tells me, that my relations to the world and still more to you have been marked by pure motives and godly sincerity, not by worldly shrewdness but by the favor of God.
1 Thessalonians 2:10
You will testify, and God will, how pure and upright and irreproachable our relations were with you who believed.