Original Verse:
Romans Chapter 8 Verse 27and he that searcheth the hearts knoweth what is the mind of the Spirit, because he maketh intercession for the saints according to [the will of] God.

Reference Verses:
Acts Chapter 1 Verse 24And they prayed, and said, Thou, Lord, who knowest the hearts of all men, show of these two the one whom thou hast chosen,
1st Corinthians Chapter 4 Verse 5Wherefore judge nothing before the time, until the Lord come, who will both bring to light the hidden things of darkness, and make manifest the counsels of the hearts; and then shall each man have his praise from God.
Psalms Chapter 139 Verse 1(Psalm 139 For the Chief Musician. A Psalm of David.)O Jehovah, thou hast searched me, and known [me].
Acts Chapter 15 Verse 8And God, who knoweth the heart, bare them witness, giving them the Holy Spirit, even as he did unto us;
Jeremiah Chapter 11 Verse 20But, O Jehovah of hosts, who judgest righteously, who triest the heart and the mind, I shall see thy vengeance on them; for unto thee have I revealed my cause.
Luke Chapter 16 Verse 15And he said unto them, Ye are they that justify yourselves in the sight of men; but God knoweth your hearts: for that which is exalted among men is an abomination in the sight of God.