14 distinct Greek words appear in this verse.

• Holy Spirit
• Prayer

12 passages from patristic writers, Reformers, and church catechisms citing this verse.

• 1Chr 28:9 — And thou, Solomon my son, know thou the God of thy father, and serve him with a perfect heart and with a willing mind: for the LORD searcheth all hearts, and understandeth all the imaginations of the
• 1Chr 29:17 — I know also, my God, that thou triest the heart, and hast pleasure in uprightness. As for me, in the uprightness of mine heart I have willingly offered all these things: and now have I seen with joy t
• 1John 3:21 — Beloved, if our heart condemn us not, then have we confidence toward God.
• 1John 5:14 — And this is the confidence that we have in him, that, if we ask any thing according to his will, he heareth us:
• 1Thess 2:4 — But as we were allowed of God to be put in trust with the gospel, even so we speak; not as pleasing men, but God, which trieth our hearts.
• 1Thess 2:4 — But as we were allowed of God to be put in trust with the gospel, even so we speak; not as pleasing men, but God, which trieth our hearts.
• Acts 1:24 — And they prayed, and said, Thou, Lord, which knowest the hearts of all men, shew whether of these two thou hast chosen,
• Acts 1:24 — And they prayed, and said, Thou, Lord, which knowest the hearts of all men, shew whether of these two thou hast chosen,
• Acts 15:8 — And God, which knoweth the hearts, bare them witness, giving them the Holy Ghost, even as he did unto us;
• Eph 2:18 — For through him we both have access by one Spirit unto the Father.
• Heb 4:13 — Neither is there any creature that is not manifest in his sight: but all things are naked and opened unto the eyes of him with whom we have to do.
• Jas 1:5 — If any of you lack wisdom, let him ask of God, that giveth to all men liberally, and upbraideth not; and it shall be given him.
• Jas 5:16 — Confess your faults one to another, and pray one for another, that ye may be healed. The effectual fervent prayer of a righteous man availeth much.
• Jer 11:20 — But, O LORD of hosts, that judgest righteously, that triest the reins and the heart, let me see thy vengeance on them: for unto thee have I revealed my cause.
• Jer 17:10 — I the LORD search the heart, I try the reins, even to give every man according to his ways, and according to the fruit of his doings.
• Jer 17:10 — I the LORD search the heart, I try the reins, even to give every man according to his ways, and according to the fruit of his doings.
• Jer 20:12 — But, O LORD of hosts, that triest the righteous, and seest the reins and the heart, let me see thy vengeance on them: for unto thee have I opened my cause.
• Jer 29:12 — Then shall ye call upon me, and ye shall go and pray unto me, and I will hearken unto you.
• John 14:13 — And whatsoever ye shall ask in my name, that will I do, that the Father may be glorified in the Son.
• John 21:17 — He saith unto him the third time, Simon, son of Jonas, lovest thou me? Peter was grieved because he said unto him the third time, Lovest thou me? And he said unto him, Lord, thou knowest all things; t
• Luke 16:15 — And he said unto them, Ye are they which justify yourselves before men; but God knoweth your hearts: for that which is highly esteemed among men is abomination in the sight of God.
• Matt 6:8 — Be not ye therefore like unto them: for your Father knoweth what things ye have need of, before ye ask him.
• Prov 17:3 — The fining pot is for silver, and the furnace for gold: but the LORD trieth the hearts.
• Ps 7:9 — Oh let the wickedness of the wicked come to an end; but establish the just: for the righteous God trieth the hearts and reins.
• Ps 20:4 — Grant thee according to thine own heart, and fulfil all thy counsel.
• Ps 38:9 — Lord, all my desire is before thee; and my groaning is not hid from thee.
• Ps 44:21 — Shall not God search this out? for he knoweth the secrets of the heart.
• Ps 66:18 — If I regard iniquity in my heart, the Lord will not hear me:
• Rev 2:23 — And I will kill her children with death; and all the churches shall know that I am he which searcheth the reins and hearts: and I will give unto every one of you according to your works.
• Rev 2:23 — And I will kill her children with death; and all the churches shall know that I am he which searcheth the reins and hearts: and I will give unto every one of you according to your works.
• Rom 8:6 — For to be carnally minded is death; but to be spiritually minded is life and peace.
• Rom 8:34 — Who is he that condemneth? It is Christ that died, yea rather, that is risen again, who is even at the right hand of God, who also maketh intercession for us.
• Rom 8:34 — Who is he that condemneth? It is Christ that died, yea rather, that is risen again, who is even at the right hand of God, who also maketh intercession for us.