Most cultures in antiquity designated the heart not only as the seat of emotion, but also the seat of thought.[i] That’s why the Egyptians, for example, extracted and discarded the “useless” gray matter (i.e. brain) prior to the mummification of the dead (“Who cares what this mushy stuff is?It’s just gross… Hurry up and get it out”).
The heart, however, was jealously and carefully stored, because it was responsible for life, desires, and thoughts.
This same attribution occurred in the Jewish culture, which is why in the Bible the meaning of so many passages in which the heart is mentioned should be re-considered—there is additional depth to the heart than we can suppose upon a cursory reading. It is, therefore, convenient to re-define the meaning of heart as used in the Bible. Better yet, discard the notion/function of the brain as the seat of thought and keep the heart instead.
According to some sources, the heart was the “seat of all morality and of all moral and spiritual functions.”[1] This encompassed the conscience, and the thinking self.
In short, what came from the heart was much more than emotion. It was thought of as “the authority within.”[2] In other words, the will.
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Love the Lord your God with all your heart and with all your soul and with all your strength. (Deuteronomy 6:5)
By the fact that “heart” is mentioned in this passage, it describes this love as being much more than a love based on emotions; it is based on a total surrender of the will and the self. A love coming from what makes you you—a conscious love, not a heedless, reckless thing.
This begs the question—how does one love God like that? How can we, people who have so distorted the definition of love to include everything from affection, to fleeting infatuation (even erotic passion), properly respond? Is God simply asking for the impossible?
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I will give them an undivided heart and put a new spirit in them; I will remove from them their heart of stone and give them a heart of flesh. Then they will follow my decrees and be careful to keep my laws. They will be my people, and I will be their God. (Ezekiel 11:19-20)
God’s promise is to give you a new heart—and with it a new way of thinking, a new way of making decisions, a new way of being your own self. That is what makes the promise in Ezekiel so much more meaningful than before. God wants to give you a new set of values by which you are able to live by. Obedience of his law comes natural to the new heart he gives you, because it has transformed the “authority within” you. It is no longer you, but Christ who lives, thinks, and is in you.
[i] It wasn’t until Herophilos in Alexandria (Egypt) did many studies in human anatomy by means of dissections, that the center of thought was relocated from the heart to the brain, and the mechanical connection between the heart, the pulse, and the flowing of blood in the veins was first grasped.
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