Mark 2:8

Jesus immediately discerned in his spirit that they reasoned within themselves. He asked them: Why reason these things in your hearts?

1 Chronicles 29:17

I well know, O my God, that you test everyone's heart and are pleased with people of integrity. In honesty and sincerity I have willingly given all this to you. I have seen how your people who are gathered here have been happy to bring offerings to you.

Psalm 139:2

You know when I sit down and when I rise up. You understand my thought from afar.

Proverbs 15:26

The thoughts of the wicked are an abomination to Jehovah. The words of the pure are pleasant words.

Proverbs 24:9

The thought of foolishness is sin. The mocker is an abomination to men.

Isaiah 55:7

Let the wicked forsake his way and the evil man his thoughts. Let him turn to Jehovah, and he will have mercy on him, and to our God, for he will freely pardon.

Ezekiel 38:10

The Lord Jehovah says: 'It will come about on that day, that thoughts will come into your mind and you will devise an evil plan.

Matthew 9:4

Knowing their thoughts, Jesus said: Why are your thoughts evil?

Mark 7:21

It is from the heart that evil thoughts come such as: fornications, thefts, murders, adulteries,

Luke 5:22

Jesus perceived their reasoning and said to them: Why do you reason in your hearts?

Luke 6:8

He knew their thoughts. So he said to the man that had the withered hand: Stand up and come here. He arose and stepped forward.

Luke 7:39-40

The Pharisee saw it and thought to himself if this man were a prophet he would know what kind of woman touched him. She is a sinner.

Luke 24:38

He said to them, Why are you troubled? And why do you question in your hearts?

John 2:24-25

Jesus did not trust his security to them for he understood all men.

John 6:64

There are some of you who do not believe. Jesus knew from the beginning whom they were who did not believe and who would betray him.

John 21:17

The third time Jesus said to him: Simon, son of John, do you have affection for me? Peter was grieved. Because he said to him the third time, do you have affection for me? Peter replied: Lord, you know all things; you know I have affection for you! Jesus said to him: Feed my sheep.

Acts 5:3

Peter said: Ananias, why has Satan filled your heart to lie to the Holy Spirit, and to keep back part of the money from the land sale?

Acts 8:22

Repent of this wickedness, and pray to God, that the thought in your heart may be forgiven you.

Hebrews 4:13

Nothing in all creation is hidden from God. All things are uncovered and laid bare before him. We must account to him. (Romans 2:16; 14:12)

Revelation 2:23

I will kill her children with deadly plague. Then all the congregations will know that I am the one who searches hearts and minds. I will reward each of you for what you have done.

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

1 Chronicles 29:17
I well know, O my God, that you test everyone's heart and are pleased with people of integrity. In honesty and sincerity I have willingly given all this to you. I have seen how your people who are gathered here have been happy to bring offerings to you.
Matthew 9:4
Knowing their thoughts, Jesus said: Why are your thoughts evil?
Luke 5:22
Jesus perceived their reasoning and said to them: Why do you reason in your hearts?
Luke 6:8
He knew their thoughts. So he said to the man that had the withered hand: Stand up and come here. He arose and stepped forward.
Luke 7:39
The Pharisee saw it and thought to himself if this man were a prophet he would know what kind of woman touched him. She is a sinner.
John 2:24
Jesus did not trust his security to them for he understood all men.
John 6:64
There are some of you who do not believe. Jesus knew from the beginning whom they were who did not believe and who would betray him.
John 21:17
The third time Jesus said to him: Simon, son of John, do you have affection for me? Peter was grieved. Because he said to him the third time, do you have affection for me? Peter replied: Lord, you know all things; you know I have affection for you! Jesus said to him: Feed my sheep.
Hebrews 4:13
Nothing in all creation is hidden from God. All things are uncovered and laid bare before him. We must account to him. (Romans 2:16; 14:12)
Revelation 2:23
I will kill her children with deadly plague. Then all the congregations will know that I am the one who searches hearts and minds. I will reward each of you for what you have done.

Why

Mark 7:21
It is from the heart that evil thoughts come such as: fornications, thefts, murders, adulteries,
Psalm 139:2
You know when I sit down and when I rise up. You understand my thought from afar.
Proverbs 15:26
The thoughts of the wicked are an abomination to Jehovah. The words of the pure are pleasant words.
Proverbs 24:9
The thought of foolishness is sin. The mocker is an abomination to men.
Isaiah 55:7
Let the wicked forsake his way and the evil man his thoughts. Let him turn to Jehovah, and he will have mercy on him, and to our God, for he will freely pardon.
Ezekiel 38:10
The Lord Jehovah says: 'It will come about on that day, that thoughts will come into your mind and you will devise an evil plan.
Luke 24:38
He said to them, Why are you troubled? And why do you question in your hearts?
Acts 5:3
Peter said: Ananias, why has Satan filled your heart to lie to the Holy Spirit, and to keep back part of the money from the land sale?
Acts 8:22
Repent of this wickedness, and pray to God, that the thought in your heart may be forgiven you.

General references

John 20:23
Forgive sins and they are forgiven. Do not forgive sins and they are not forgiven.