Day 15

The Birth of Isaac

from the Genesis reading plan


Genesis 20:1-18, Genesis 21:1-34, Proverbs 21:1, 1 John 1:9


Airlines lie all the time. Delayed flights, lost bags, fine print shenanigans—they make promises, declarations, expectations, and fail to follow through. Doctors too. They don’t lose your bags, but they make you wait and wait past your agreed-upon appointment time. Restaurants lie too. Sure, the server at the swanky Mexican-Polynesian fusion restaurant said the food would be right out—“in a couple of minutes,” he assures you. Twenty minutes later the frustration of still not having your meal is multiplied by your cranky kids, which basically equals a disaster. So many people make promises and fumble the ball when it’s crunch time. We all do.

God always keeps His word. Airlines are subject to weather and human error. Doctors have to work at the speed of their patients’ sickness. Servers are at the mercy of the kitchen. Everyone’s word exists under the influence of outside factors—everyone except God’s. The Father’s word is not no subject to weather, economics, human health, or anything at all under creation.

God promised Sarah and Abraham that they would have a son, and a year later, it happens. Isaac is born. It doesn’t matter that Sarah and Abraham are way beyond child-bearing years; God keeps His promise. Even though Abraham’s body, according to the writer of Hebrews, was as good as dead (Hebrews 11:12)—God remained faithful to His word.

Nothing can override the promises of God. Whether a promise made to Sarah in the open-air wilderness, or a promise made to you as you read Scripture and sip coffee in an air-conditioned cafe, know that God will keep the promises written in His Word. The Bible is full of God’s promises to His people, proclamations of trust that can never be delayed or undone.

Do you remember what the apostle Paul says about all of the promises of God? “For every one of God’s promises is ‘Yes’ in him. Therefore, through him we also say ‘Amen’ to the glory of God” (2 Corinthians 1:20). Every promise is a Christo-centric, “Yes!” Jesus is the answer.

When God promises that whoever calls on the name of the Lord Jesus will be saved (Romans 10:9–10), He means it. When Jesus said to come to Him to find rest for your weary soul (Matthew 11:28–30), He delivers. When Jesus said He would die for the sins of humanity, rise again from the dead, and welcome sinners like us into His kingdom, God always keeps His Word.

What He does not promise is to meet our expectations—don’t get that twisted—but then again, His ways and thoughts are so much better than what we could ever ask of Him or imagine possible. But He does keep the promises He has made to us. From Isaac to Immanuel, and forgiveness to freedom from sin, Yahweh gives His “Yes!” in Yeshua.

Written by J.A. Medders

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