The Scripture readings for tonight’s service are Exodus 12:1-14; 1 Corinthians 11:23-32; and John 13:1-15, 34-35.
In the name of Jesus. Amen.
When a doctor gives you a prescription for medicine, it doesn’t really matter if you understand how the medicine works. It doesn’t matter if you understand how that medicine is made. You don’t need to know exactly what that medicine does in your body. The only thing that matters is that the doctor who says, “Take this. It will heal you,” is right and that you actually take it.
Tonight, your Savior, Jesus Christ, the Great Physician, has a prescription for you, and it is the medicine of immortality.
So, we have to ask, “Is Jesus’ Word trustworthy?” Yes; absolutely yes! The power of Jesus’ Word is seen when He created everything (Jn. 1:3). In the beginning, God spoke, “Let there be light,” and there was light (Gen. 1:3). The power of Jesus’ Word is on full display throughout His life. When Jesus says something, it happens – always. When He speaks to paralytics, “Take up your bed and walk,” that powerful Word heals limbs that didn’t work (Mk. 2:11-12; Jn. 5:8-9), and it happens. When Jesus says to the wind and waves, “Peace, be still,” (Mk. 4:39), it happens. When Jesus hands the disciples five loaves of bread and two fish to the disciples and says, “Use this to feed thousands of people,”(Lk. 9:16), it happens. When Lazarus has been dead in his tomb for four days and Jesus tells him, “Lazarus, come out,” (Jn. 11:43-44), he does. There’s no question that Jesus’ Word is powerful and does exactly what Jesus says.
So, when Jesus says to you tonight, “Take eat; take drink. This is for you for the forgiveness of sin,” does His Word have the power to forgive? Yes. When Jesus says, “This is My Body; this is My Blood,” does His Word have the power to make the bread and wine His Body and Blood? Yes. Do we have to understand how it works? No. Not at all. If Jesus wanted us to understand the how, He would’ve told us. But He didn’t, so we simply believe His Word.
Sure, it seems strange that eating and drinking the elements of Communion would do something spiritual like forgiving sin. Most of the things we eat are for physical benefits. We eat to fuel our body and give it the nutrients, vitamins, and minerals it needs. But eating food and having it do something spiritual sounds strange. But it shouldn’t. Remember how sin and death entered the world? Through eating the forbidden fruit. That eating was the sin that brought about both physical and spiritual sickness, death, and separation from God that has spread like a virus to all humanity (Ro. 5:12). God had warned Adam that would happen (Gen. 2:17), and God’s Word proved true (Gen. 3:6-7). So, when Jesus, the Son of God, promises that this meal will forgive sin (Mt. 26:28), His Word is also trustworthy and true.
A quick disclaimer before I go on here: I’m not a doctor, so what I’m about to say isn’t intended to be medical advice. Talk to your own healthcare professional.
When you get an ear infection, a doctor will prescribe an antibiotic to target and kill the bad bacteria. But those antibiotics will also kill the good bacteria in your gut that you need to properly digest food. When a doctor prescribes an antibiotic, he might also advise you to take a probiotic to keep all the biotics [sic.] in your body in balance. So, when you have a bacterial infection, you might end up taking two things – a prescription of antibiotics and a supplement of probiotics. Again, that’s not medical advice; talk to your healthcare provider.
Tonight, your Great Physician gives you one medicine, but it does two things. First, it fights off and rids you of the infection of sin through forgiveness. And second, it bestows, grants, and gives life. This one medicine of Jesus’ Body and Blood does both.
Listen to what Jesus says about this medicine in John 6. Jesus says that He is the living bread that comes down from heaven, so that you may eat of it and not die (Jn. 6:50). Christ says that when you eat this bread, you will live forever(Jn. 6:51). Jesus says that whoever eats His flesh and drinks His blood has eternal life (Jn. 6:54) because His flesh is true food, and His blood is true drink (Jn. 6:55). Christ says that by this eating and drinking, you abide in Him and He abides in you (Jn. 6:56).
In other words, this medicine kills your sin through forgiveness, and it nourishes and strengthens you so you love others in the same way as Jesus did. One of the prayers we use to thank God for what He gives in Communion highlights this. It goes, “We give thanks to You, Almighty God, that You have refreshed us through this gracious gift, and we ask that in Your mercy You would strengthen us through [this meal] in faith toward You and in fervent love toward one another.”
Holy Communion strengthens your love for others because it joins you to Jesus and Him to you. And this joining of you and Jesus results in love for others. And the love that Jesus has for His disciples, which is beautifully demonstrated in our Gospel reading (Jn. 13:1-15, 34-35) is a humble, sacrificial, self-giving kind of love. Think of it. The One who had shaped Adam from the soil (Gen. 2:7) now stoops to wash the soil from the feet Adam’s sons (Jn. 13:5). The One who powerfully yet intricately placed all the galaxies, stars, and planets into orbit now kneels with a water basin and a rag. The medicine of the Lord’s Supper pours that kind of love into you and strengthens you to give that same love to others. And by you having that same kind of love, Jesus says that all people will know that you are His disciples (Jn. 13:35).
So, whenever you feel your sin, come. Receive this medicine. Whenever your love grows cold, come. Receive this medicine.
Medicine always has a cost, and so does this medicine. But Jesus, your Great Physician, foots the bill. He absorbs the entire cost. Christ fully pays for it so you can receive it gratis. Tomorrow, you’ll hear Jesus cry out on the cross, “My God, my God, why have You forsaken Me?” (Mk. 14:34). That was the cost, and it is completely covered by Jesus.
Dear saints, you have a Great Physician who heals, who forgives, who strengthens, who increases your love, and who gives you the medicine you need to lead you unto life everlasting. Amen.
The peace of God, which surpasses all understanding, will guard your hearts and minds in Christ Jesus. Amen.







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