Heart
The heart means love. A good heart means love to the Lord and to the neighbor, while a hard or stony heart means the love of self or the world -- riches and things. When the psalmist asks the Lord to search his heart, he wants the Lord to see what it is that he loves. And we are what we love. What we eat may form our earthly body, but it's only temporary, what we love forms our spiritual body, beautiful or ugly as we have chosen. It's interesting to note that the first multi-cellular motion of our embryo is the pulsating that starts in a twist of blood vessel that is to become our heart, and the last motion of our natural body is our heartbeat. It is there for all of our natural life. And of course there is a beating heart in our spiritual bodies when we come to put them on.
Ezekiel 39:8-9
8
Behold, it comes, and it shall be done, says the Lord Yahweh; this is the day about which I have spoken.
9
Those who dwell in the cities of Israel shall go forth, and shall make fires of the weapons and burn them, both the shields and the bucklers, the bows and the arrows, and the war clubs, and the spears, and they shall make fires of them seven years;
