'He Who Searches' in the Bible
He who diligently seeks good seeks favor and grace,But he who seeks evil, evil will come to him.
The lamp of Yahweh [is] the spirit of humankind, he who searches every {innermost part}.
If you say, Behold, we did not know; does not He who searches the heart consider it? And the Keeper of your soul, does He know? And He repays to a man according to his works.
But he who searches the hearts knows what is the mind of the Spirit, because he intercedes for saints according to God.
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.
He Who Searchesnot in NET Bible