2 Samuel 7:20

What more can David say to You? For You know (acknowledge, choose) Your servant, O Lord God.

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.”

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.

Psalm 139:1

O Lord, you have searched me [thoroughly] and have known me.

Genesis 18:19

For I have known (chosen, acknowledged) him [as My own], so that he may teach and command his children and [the sons of] his household after him to keep the way of the Lord by doing what is righteous and just, so that the Lord may bring upon Abraham what He has promised him.”

John 2:25

and He did not need anyone to testify concerning man [and human nature], for He Himself knew what was in man [in their hearts—in the very core of their being].

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.

Treasury of Scripture Knowledge

Summary

And what can David say more unto thee? for thou, Lord GOD, knowest thy servant.

Bible References

Knowest

Genesis 18:19
For I have known (chosen, acknowledged) him [as My own], so that he may teach and command his children and [the sons of] his household after him to keep the way of the Lord by doing what is righteous and just, so that the Lord may bring upon Abraham what He has promised him.”
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.”
Psalm 139:1
O Lord, you have searched me [thoroughly] and have known me.
John 2:25
and He did not need anyone to testify concerning man [and human nature], for He Himself knew what was in man [in their hearts—in the very core of their being].
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.