Heart

Joshua 22:5 - But take diligent heed to do the commandment and the law, which Moses the servant of the LORD charged you, to love the LORD your God, and to walk in all his ways, and to keep his commandments, and to cleave unto him, and to serve him with all your heart and with all your soul.
Joshua 23:14 - And, behold, this day I am going the way of all the earth: and ye know in all your hearts and in all your souls, that not one thing hath failed of all the good things which the LORD your God spoke concerning you; all are come to pass unto you, and not one thing hath failed thereof.
1 Samuel 16:7 - But the LORD said unto Samuel, Look not on his countenance, or on the height of his stature; because I have refused him: for the LORD seeth not as man seeth; for man looketh on the outward appearance, but the LORD looketh on the heart.
Psalms 9:1 - To the chief Musician upon Muth-labben, A Psalm of David. I will praise thee, O LORD, with my whole heart; I will show forth all thy marvelous works.
Psalms 13:5 - But I have trusted in thy mercy; my heart shall rejoice in thy salvation.

Psalms 13:6 - I will sing unto the LORD, because he hath dealt bountifully with me.
Psalms 19:8 - The statutes of the LORD are right, rejoicing the heart: the commandment of the LORD is pure, enlightening the eyes.

Psalms 19:14 - Let the words of my mouth, and the meditation of my heart, be acceptable in thy sight, O LORD, my strength, and my redeemer.
Psalms 20:4 - Grant thee according to thine own heart, and fulfill all thy counsel.
Psalms 27:3 - Though a host should encamp against me, my heart shall not fear: though war should rise against me, in this will I be confident.
Psalms 31:24 - Be of good courage, and he shall strengthen your heart, all ye that hope in the LORD.
Psalms 37:4 - Delight thyself also in the LORD; and he shall give thee the desires of thine heart.