Acts 1:24

They prayed and said, “You, Lord, who know all hearts [their thoughts, motives, desires], show us which one of these two You have chosen

1 Samuel 16:7

But the Lord said to Samuel, “Do not look at his appearance or at the height of his stature, because I have rejected him. For the Lord sees not as man sees; for man looks at the outward appearance, but the Lord looks at the heart.”

Jeremiah 17:10


“I, the Lord, search and examine the mind,
I test the heart,
To give to each man according to his ways,
According to the results of his deeds.

Acts 15:8

And God, who knows and understands the heart, testified to them, giving them the Holy Spirit, just as He also did to us;

Acts 6:6

They brought these men before the apostles; and after praying, they laid their hands on them [to dedicate and commission them for this service].

Revelation 2:23

And I will kill her children (followers) with pestilence [thoroughly annihilating them], and all the churches will know [without any doubt] that I am He who searches the minds and hearts [the innermost thoughts, purposes]; and I will give to each one of you [a reward or punishment] according to your deeds.

Numbers 27:16

Let the Lord, the God of the spirits of all flesh, appoint a man over the congregation

1 Kings 8:39

then hear in heaven Your dwelling place, and forgive and act and give to each according to his ways, whose heart (mind) You know, for You and You alone know the hearts of all the children of men,

1 Chronicles 28:9

“As for you, Solomon my son, know the God of your father [have personal knowledge of Him, be acquainted with, and understand Him; appreciate, heed, and cherish Him] and serve Him with a blameless heart and a willing mind; for the Lord searches all hearts and minds, and understands every intent and inclination of the thoughts. If you seek Him [inquiring for and of Him and requiring Him as your first and vital necessity] He will let you find Him; but if you abandon (turn away from) Him, He will reject you forever.

1 Chronicles 29:17

I know also, my God, that You test the heart and delight in uprightness and integrity. In the uprightness of my heart I have willingly offered all these things. So now with joy I have seen Your people who are present here, make their offerings willingly and freely to You.

Psalm 7:9


Oh, let the wickedness of the wicked come to an end, but establish the righteous [those in right standing with You];
For the righteous God tries the hearts and minds.

Psalm 44:21


Would not God discover this?
For He knows the secrets of the heart.

Proverbs 3:5-6


Trust in and rely confidently on the Lord with all your heart
And do not rely on your own insight or understanding.

Proverbs 15:11


Sheol (the nether world, the place of the dead) and Abaddon (the abyss, the place of eternal punishment) lie open before the Lord
How much more the hearts and inner motives of the children of men.

Jeremiah 11:20


But, O Lord of hosts, who judges righteously,
Who tests the feelings and the heart (mind),
Let me see Your vengeance on them,
For to You I have committed my cause.

Jeremiah 20:12


But, O Lord of hosts, You who examine the righteous,
Who see the heart and the mind,
Let me see Your vengeance on them;
For to You I have committed my cause.

Luke 6:12-13

Now at this time Jesus went off to the mountain to pray, and He spent the whole night in prayer to God.

John 2:24-25

But Jesus, for His part, did not entrust Himself to them, because He knew all people [and understood the superficiality and fickleness of human nature],

John 21:17

He said to him the third time, “Simon, son of John, do you love Me [with a deep, personal affection for Me, as for a close friend]?” Peter was grieved that He asked him the third time, “Do you [really] love Me [with a deep, personal affection, as for a close friend]?” And he said to Him, “Lord, You know everything; You know that I love You [with a deep, personal affection, as for a close friend].” Jesus said to him, “Feed My sheep.

Acts 13:2-3

While they were serving the Lord and fasting, the Holy Spirit said, “Set apart for Me Barnabas and Saul (Paul) for the work to which I have called them.”

Acts 14:23

When they had appointed elders for them in every church, having prayed with fasting, they entrusted them to the Lord in whom they believed [and joyfully accepted as the Messiah].

Romans 8:27

And He who searches the hearts knows what the mind of the Spirit is, because the Spirit intercedes [before God] on behalf of God’s people in accordance with God’s will.

Hebrews 4:13

And not a creature exists that is concealed from His sight, but all things are open and exposed, and revealed to the eyes of Him with whom we have to give account.

Treasury of Scripture Knowledge

Summary

And they prayed, and said, Thou, Lord, which knowest the hearts of all men, shew whether of these two thou hast chosen,

Bible References

They

Acts 13:2
While they were serving the Lord and fasting, the Holy Spirit said, “Set apart for Me Barnabas and Saul (Paul) for the work to which I have called them.”
Proverbs 3:5

Trust in and rely confidently on the Lord with all your heart
And do not rely on your own insight or understanding.
Luke 6:12
Now at this time Jesus went off to the mountain to pray, and He spent the whole night in prayer to God.

Thou, lord

Acts 15:8
And God, who knows and understands the heart, testified to them, giving them the Holy Spirit, just as He also did to us;
Numbers 27:16
Let the Lord, the God of the spirits of all flesh, appoint a man over the congregation
1 Samuel 16:7
But the Lord said to Samuel, “Do not look at his appearance or at the height of his stature, because I have rejected him. For the Lord sees not as man sees; for man looks at the outward appearance, but the Lord looks at the heart.”
1 Kings 8:39
then hear in heaven Your dwelling place, and forgive and act and give to each according to his ways, whose heart (mind) You know, for You and You alone know the hearts of all the children of men,
1 Chronicles 28:9
“As for you, Solomon my son, know the God of your father [have personal knowledge of Him, be acquainted with, and understand Him; appreciate, heed, and cherish Him] and serve Him with a blameless heart and a willing mind; for the Lord searches all hearts and minds, and understands every intent and inclination of the thoughts. If you seek Him [inquiring for and of Him and requiring Him as your first and vital necessity] He will let you find Him; but if you abandon (turn away from) Him, He will reject you forever.
1 Chronicles 29:17
I know also, my God, that You test the heart and delight in uprightness and integrity. In the uprightness of my heart I have willingly offered all these things. So now with joy I have seen Your people who are present here, make their offerings willingly and freely to You.
Psalm 7:9

Oh, let the wickedness of the wicked come to an end, but establish the righteous [those in right standing with You];
For the righteous God tries the hearts and minds.
Psalm 44:21

Would not God discover this?
For He knows the secrets of the heart.
Proverbs 15:11

Sheol (the nether world, the place of the dead) and Abaddon (the abyss, the place of eternal punishment) lie open before the Lord
How much more the hearts and inner motives of the children of men.
Jeremiah 11:20

But, O Lord of hosts, who judges righteously,
Who tests the feelings and the heart (mind),
Let me see Your vengeance on them,
For to You I have committed my cause.
Jeremiah 17:10

“I, the Lord, search and examine the mind,
I test the heart,
To give to each man according to his ways,
According to the results of his deeds.
Jeremiah 20:12

But, O Lord of hosts, You who examine the righteous,
Who see the heart and the mind,
Let me see Your vengeance on them;
For to You I have committed my cause.
John 2:24
But Jesus, for His part, did not entrust Himself to them, because He knew all people [and understood the superficiality and fickleness of human nature],
John 21:17
He said to him the third time, “Simon, son of John, do you love Me [with a deep, personal affection for Me, as for a close friend]?” Peter was grieved that He asked him the third time, “Do you [really] love Me [with a deep, personal affection, as for a close friend]?” And he said to Him, “Lord, You know everything; You know that I love You [with a deep, personal affection, as for a close friend].” Jesus said to him, “Feed My sheep.
Hebrews 4:13
And not a creature exists that is concealed from His sight, but all things are open and exposed, and revealed to the eyes of Him with whom we have to give account.
Revelation 2:23
And I will kill her children (followers) with pestilence [thoroughly annihilating them], and all the churches will know [without any doubt] that I am He who searches the minds and hearts [the innermost thoughts, purposes]; and I will give to each one of you [a reward or punishment] according to your deeds.