But the blood on your doorposts will serve as a sign, marking the houses where you are staying. When I see the blood, I will pass over you. This plague of death will not touch you when I strike the land of Egypt. (Exodus 12:13)
What God Sees In The Blood
Blood to the naked eye does not look different, whether human blood or animal blood. The blood of humans is always red, and most animals have red blood. Typing blood (A, B, and O) was not discovered until 1901. Science has unlocked many mysteries about blood, including the makeup of human blood consisting of red blood cells, white blood cells, and platelets. When the Hebrews were preparing to leave Egypt, nothing was known about blood at the cellular level. A man’s blood did not look much different than the blood of an animal. Distinguishing between the blood of a camel, bull, or goat was not possible. Smearing blood on a piece of wood would further hide any evidence about the origins of the blood. The blood looked the same to the human eye with no distinguishing marks.
God told Moses the final plague against Pharaoh and the people of Egypt would be the death of the firstborn. The Lord instructs Moses to say to the congregation of Israel to take a one-year-old male lamb with no blemish or defect as the sacrifice. On the fourteenth day of the first month, the lamb (taken from the sheep or goats) will be killed. The people shall smear some of the blood on the sides and top of the house’s doorframes. They will eat the flesh that night roasted in fire, with unleavened bread and bitter herbs. None of the animal shall remain; if any is left, it is to be burned in the fire. The people are to have a belt on their waist, sandals on their feet, and a staff in their hand. When the Lord passes through the land of Egypt on that night, He will strike all the firstborn in the land of Egypt, both man and beast.
The blood commanded by God to be put on the doorposts and lintels would be a sign, and when the Lord saw the blood, He would pass over the house and not kill the firstborn. As the Hebrews prepared for the night of death, the question of the blood must be answered. When the blood was put on the doorposts, what difference did it make what kind of blood was there? Who could tell the difference in the blood that was smeared on the wood? As far as the human eye could see, the blood of a camel and the blood of a lamb were the same, and smearing camel’s blood on the door would look just like the neighbor who put a lamb’s blood on the doorpost. If a man decided to put camel’s blood on his house, what would happen to his firstborn? They would die! Did it make a difference in the blood? It may not have looked different to the human eye, but to the eye of the Lord God, it made a difference.
When the Lord passed over the land of Egypt, He was not looking for blood on the doorposts and lintel; He was looking for obedience. God could tell if the blood was from a lamb without blemish through the divine eye of discernment. Even modern science cannot tell from blood if a lamb has a broken leg or some blemish. God could make that discernment. The Lord wanted to see the blood of a male of the first year that had been killed on the fourteenth day of the first month. With all the science of modern technology, can forensic science determine on what day a lamb is killed? God can. The lamb must be killed at twilight. Where in the study of blood can scientists know what time of day it is killed? When the Lord saw the blood, He knew if it was killed at twilight or the third hour.
The religious world tries to fool God into believing it does not matter what kind of blood is smeared on the doorposts of the house. To the religious world, one blood is as good as another. Churches fill the landscape of every community with the false doctrine that nothing really matters to the Lord and variety is accepted. If the religious leaders today lived in Egypt with the Hebrews, they would tell people, “Choose the blood of your choice.” People are being led astray with the false doctrine of the wrong kind of blood. They go through the motions and believe the blood will save them. Then the night comes with the judgment of God, and they die. Did God see the blood? Yes, He saw the blood, but He knew it was the wrong kind of blood. Does it matter what type of blood the Hebrews put on their houses? If you asked those who lived through the terrible night of death, rest assured they emphasized how important the one blood was to their salvation. They may have been ridiculed for believing in the one blood, but salvation was in their house when morning came. What blood have you put on your house? There is only one blood, and it matters when God sees the blood!