The Scripture behind the Scripture
The Passover Lamb: a Bone Not Broken
Exodus 12:46 commands that no bone of the Passover lamb be broken. John 19:36 sees this fulfilled when the soldiers do not break Jesus' legs on the cross, a passage also related to Psalm 34:20.
“In one house shall it be eaten; thou shalt not carry forth ought of the flesh abroad out of the house; neither shall ye break a bone thereof.”Exodus 12:46
“For these things were done, that the scripture should be fulfilled, A bone of him shall not be broken.”John 19:36
In its own place
In its own place. Exodus 12 institutes the Passover, the meal by which Israel was to remember and reenact its deliverance from Egypt. On the night God struck down the firstborn of Egypt, each Israelite household was to kill a lamb without blemish, put its blood on the doorposts, and eat the roasted flesh in haste, ready to leave. Among the regulations, God commands that the lamb be eaten in one house, that none of the flesh be carried outside, and, notably, neither shall ye break a bone thereof. In its original setting this instruction preserves the integrity of the Passover lamb, which was to be roasted and eaten whole, not dismembered or its bones broken. The unbroken lamb was central to the Passover, the sacrifice whose blood shielded Israel from the destroyer and whose meal marked their redemption and departure. The command about the bones underscored the wholeness and special character of this sacrifice. Psalm 34:20 later uses similar language in a different context, promising that God keeps all the bones of the righteous, not one of them is broken, expressing God's protection of the faithful sufferer. Both texts, the Passover regulation and the psalm, speak of bones kept unbroken, one about the lamb and one about the righteous person God guards.
Where the New Testament takes it up
This is a fulfillment quotation in John, drawing on the Passover lamb and relating also to Psalm 34:20. In John 19 the soldiers come to hasten the deaths of those crucified by breaking their legs, but finding Jesus already dead, they do not break his legs, instead piercing his side. John 19:36 states that these things were done that the scripture should be fulfilled, A bone of him shall not be broken. The wording matches the Passover command that no bone of the lamb be broken, and it also echoes the psalm's promise about the righteous. John does not specify which text he has in mind, and both may stand behind his words, but the Passover connection is especially fitting because John has already presented Jesus as the Lamb of God, and his Gospel frames the crucifixion around the Passover. John follows the sense of the Greek. He sees the soldiers' decision not to break Jesus' legs, a detail of Roman procedure, as fulfilling Scripture, marking Jesus as the true Passover lamb whose bones, like the lamb of Exodus, remained unbroken. Whether primarily the Passover law or the psalm of the righteous sufferer, or both together, John reads the unbroken bones as a sign that Jesus is the sacrifice these texts anticipated.
How it points to Christ
How it points to Christ. Jesus is the true Passover lamb, and John shows it in the unbroken bones. As the lamb of Exodus was killed so that the destroyer would pass over Israel, and its bones were kept whole, so Jesus was slain as the Lamb of God whose blood shields his people from judgment, and not one of his bones was broken. The timing in John, with Jesus dying as the Passover lambs were being prepared, deepens the identification. And if Psalm 34 also stands behind the words, then Jesus is the righteous one whom God preserves, even in death, so that not a bone is broken. The soldiers, following their custom, unknowingly fulfilled Scripture and testified that the man on the middle cross was the Lamb whose sacrifice redeems. In Christ the Passover finds its meaning, the true Lamb whose death brings deliverance from death.
Questions people ask
Is John quoting Exodus or Psalm 34?
John does not say, and both texts speak of bones kept unbroken. The Passover command that no bone of the lamb be broken fits especially well since John presents Jesus as the Lamb of God, but the promise about the righteous in Psalm 34:20 may also stand behind his words. Both may be in view.
Why does it matter that Jesus' bones were unbroken?
It marks him as the true Passover lamb, whose bones, like the lamb of Exodus, remained whole. The soldiers, following Roman custom, did not break his legs because he was already dead, and John sees in this unplanned detail the fulfillment of Scripture.