The Christian life is not a coat of paint on an old heart but a death and a resurrection, in which we are crucified with Christ and raised to live by His life (Galatians 2:20), and in which the cross does not only pardon the murderer but also puts to death the enmity that made us dangerous (Ephesians 2:16).

When God said, “You shall not murder” (Exodus 20:13), He was not only stopping the hand that could take a life, but also reaching into the hidden room where motives are born and letting His light run along the floorboards where anger coils and pride whispers, so that the command would protect the body by purifying the heart, and would restrain the blade by exposing the boast that sharpens it, and would teach us that the Lord sees the seed as clearly as the fruit and judges the tree by what it is becoming long before the harvest shows.

And when Jesus said, “You have heard…‘You shall not commit murder’…but I say to you that everyone who is angry with his brother shall be guilty” (Matthew 5:21–22), He was not changing Moses but opening Moses, because He knew how we hide behind clean hands while carrying hard hearts, and He knew that a mouth that calls a neighbor “fool” has already handled his life as if it were cheap, and He knew that words are not steam that vanishes but sparks that travel, which is why He warns us that the fire starts inside us, and if we will not quench it there, it will leap to the tongue and from the tongue to the world.

Pride stands at the headwaters of that fire, because pride is the story we tell ourselves in which we must be first, and when we are not first we must find a reason, and when we cannot find a reason we must find a rival, and when we find a rival we must push him down so that we may stand taller, which is why pride feels the sting of correction as an attack, and hears another’s praise as theft, and turns the good of a brother into a mirror that we cannot bear to look into without breaking.

You can see this in the first family, where Abel brought the first and the best and Cain brought something less, and when God had regard for Abel and not for Cain, Cain’s face fell because pride cannot be glad at someone else’s yes when it wants the yes for itself, and even when God came near with patient warning—telling him that sin was crouching like a beast at the door and would rule him if he yielded—Cain still opened the door, and because he opened the door he opened the field, and because he opened the field he opened his brother’s body (Genesis 4:3–8), so that the blood on the ground was only the end of a path that began when pride refused to bow.

You can see it in Joseph’s brothers, who watched their father’s favor and heard Joseph’s dreams and let those signs scrape against their ego day after day until their talk soured and their peace died, and because they would not kill their pride they planned to kill their brother, and because they stopped short of blood they sold him for silver, and because they sold him they thought themselves clean while heaven recorded the truth that murder can be finished with a knife but can also be started with a nod (Genesis 37:4, 20, 28).

You can see it in Saul, who could bear victory while it was counted in his column but could not bear a song that counted more for David, and because the chorus bruised his pride he narrowed his eyes and took up the spear, and because his heart had already thrown the spear his hand soon followed, which is how quickly a small wound in the ego can become a large wound in a wall where a friend’s head almost was (1 Samuel 18–19).

And you can see it in the rulers who watched Jesus heal and teach with authority and gather the people they thought were theirs, and because they loved their place more than the truth they urged a cross for the Lord of glory, and because envy can wear religious robes they washed their hands before the feast while their hearts were still red (Matthew 27:18; John 11:48).

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