2 Corinthians 11:11

Why? Because I do not love you? God knows I do.

2 Corinthians 12:15

And for your souls I will gladly spend my all and be spent myself. Am I to be loved the less because I love you more than others?

2 Corinthians 12:2-3

I know a man in Christ who fourteen years ago was caught up to the third heaven. In the body or out of the body? That I do not know: God knows.

John 2:24-25

Jesus, however, would not trust himself to them; he knew all men,

John 21:17

For the third time he asked him, "Simon, son of John, do you love me?" Now Peter was vexed at being asked a third time, "Do you love me?" So he replied; "Lord, you know everything, you can see I love you." Jesus said, "Then feed my sheep.

Acts 15:8

The God who reads the hearts of all attested this by giving them the holy Spirit just as he gave it to us;

2 Corinthians 6:11-12

O Corinthians, I am keeping nothing back from you; my heart is wide open for you.

2 Corinthians 7:3

I am not saying this to condemn you. Condemn you? Why, I repeat, you are in my very heart, and you will be there in death and life alike.

2 Corinthians 11:10

By the truth of Christ within me, I am going to make this my pride and boast unchecked throughout the regions of Achaia!

2 Corinthians 11:31

The God and Father of the Lord Jesus, He who is blessed for ever, He knows I am telling the truth!

Hebrews 4:13

And no created thing is hidden from him; all things lie open and exposed before the eyes of him with whom we have to reckon.

Revelation 2:23

and her children I will exterminate. So shall all the churches know that I am the searcher of the inmost heart; I will requite each of you according to what you have done.

Treasury of Scripture Knowledge

Summary

Wherefore? because I love you not? God knoweth.

Bible References

Because

2 Corinthians 6:11
O Corinthians, I am keeping nothing back from you; my heart is wide open for you.
2 Corinthians 7:3
I am not saying this to condemn you. Condemn you? Why, I repeat, you are in my very heart, and you will be there in death and life alike.
2 Corinthians 12:15
And for your souls I will gladly spend my all and be spent myself. Am I to be loved the less because I love you more than others?