Mark 2:8

And Jesus, immediately perceiving in his spirit that they thus reasoned within themselves, said to them: Why are you reasoning thus in your hearts?

Matthew 9:4

And Jesus, perceiving their thoughts, said: "Why do evil thoughts arise in your hearts?

Mark 7:21

For from within, out of the heart of men, proceed the purposes which are evil: adulteries, lewd actions, murders,

Luke 5:22

But Jesus perceived their reasonings, and answered and said to them: Why are you reasoning in your hearts?

Luke 6:8

But he knew their thoughts; and he said to the man that had the withered hand: Rise, and stand forth in the midst. And he arose, and stood.

Luke 7:39-40

But when the Pharisee who had invited him, saw it, he said within himself: This man, if he were a prophet, would have known who, and what sort of woman this is that touches him; for she is a sinner.

Luke 24:38

And he said to them: Why are you troubled, and why do doubts arise in your hearts?

John 2:24-25

But Jesus did not trust himself to them, because he knew all men,

John 6:64

But there are some among you who believe not. For Jesus knew from the beginning who they were that believed not, and who he was that would betray him.

John 21:17

He said to him a third time: Simon, son of Jonah, 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, thou knowest all things, thou knowest that I love thee. Jesus said to him: Feed my sheep.

Acts 5:3

But Peter said: Ananias, why has Satan filled your heart, that you should at tempt to deceive the Holy Spirit, and keep back part of the price of the land?

Acts 8:22

Repent, there fore, of this your wickedness, and pray God, if perhaps the purpose of your heart may be forgiven you.

Hebrews 4:13

And there is no creature which is not manifest in his sight: but all things are naked, and exposed to the eyes of him to whom we must give an ac count.

Revelation 2:23

And I will kill her children with death; and all the churches shall know that I am he that searches the reins and the hearts: and I will give to every one of you according to your works.

Treasury of Scripture Knowledge

Summary

And immediately when Jesus perceived in his spirit that they so reasoned within themselves, he said unto them, Why reason ye these things in your hearts?

General references

Bible References

When

Matthew 9:4
And Jesus, perceiving their thoughts, said: "Why do evil thoughts arise in your hearts?
Luke 5:22
But Jesus perceived their reasonings, and answered and said to them: Why are you reasoning in your hearts?
Luke 6:8
But he knew their thoughts; and he said to the man that had the withered hand: Rise, and stand forth in the midst. And he arose, and stood.
Luke 7:39
But when the Pharisee who had invited him, saw it, he said within himself: This man, if he were a prophet, would have known who, and what sort of woman this is that touches him; for she is a sinner.
John 2:24
But Jesus did not trust himself to them, because he knew all men,
John 6:64
But there are some among you who believe not. For Jesus knew from the beginning who they were that believed not, and who he was that would betray him.
John 21:17
He said to him a third time: Simon, son of Jonah, 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, thou knowest all things, thou knowest that I love thee. Jesus said to him: Feed my sheep.
Hebrews 4:13
And there is no creature which is not manifest in his sight: but all things are naked, and exposed to the eyes of him to whom we must give an ac count.
Revelation 2:23
And I will kill her children with death; and all the churches shall know that I am he that searches the reins and the hearts: and I will give to every one of you according to your works.

Why

Mark 7:21
For from within, out of the heart of men, proceed the purposes which are evil: adulteries, lewd actions, murders,
Luke 24:38
And he said to them: Why are you troubled, and why do doubts arise in your hearts?
Acts 5:3
But Peter said: Ananias, why has Satan filled your heart, that you should at tempt to deceive the Holy Spirit, and keep back part of the price of the land?
Acts 8:22
Repent, there fore, of this your wickedness, and pray God, if perhaps the purpose of your heart may be forgiven you.

General references

John 20:23
Whosever sins you forgive, they are forgiven them: whosever sins you retain, they are retained.