If God Promised, Why Did It Take Twenty-Five Years
Delay is one of the most common reasons believers begin to doubt, and Abraham's story faces it head-on without pretending the waiting was easy.
Genesis 12:4; 21:5NIV
Here is the objection in its strongest form. If God is both good and powerful, and if he has actually promised something, then delay makes no sense. A good God would not want his people to suffer through years of uncertainty. A powerful God would not need to. So either the promise was never made, or God is not what we thought, or the whole thing is a story we tell ourselves to make waiting bearable. Delay, on this view, is not a test of faith. It is evidence against it.
Anyone who has prayed for years about the same thing knows the force of this. It is not an abstract puzzle. It is the couple who have been trying to conceive through a decade of appointments. It is the parent who has prayed for a child's faith since that child was small and now sees a thirty-year-old who wants nothing to do with church. It is the person who was sure God had called them to something, and stepped out, and has been waiting for the door to open for so long that they are no longer sure there is a door. To such people, the suggestion that waiting builds character can sound like a cruelty dressed up as comfort.
Abraham's story does not resolve this by making the waiting short. He was seventy-five when God first promised him offspring. Isaac was born when he was a hundred. Twenty-five years, and the text does not skip them. It records the false starts and the anguish. Abraham suggests a servant as heir, and God says no. Sarah suggests Hagar, and the result is a household at war. Abraham falls on his face and laughs at the promise. Sarah laughs behind the tent. These are not the reactions of people who found waiting easy. They are the reactions of people who had begun to doubt, and Scripture records their doubt without embarrassment.
So the first honest thing to say is that the Bible itself thinks the waiting was hard. It does not ask you to pretend otherwise. When Sarah laughed, God asked why, but he did not withdraw the promise. When Abraham said, if only Ishmael might live under your blessing, offering God a shortcut, God declined the shortcut and repeated the promise. Doubt, in this story, is something God answers rather than punishes.
The second thing to say is that the delay accomplished something that could not have happened without it. This is not the same as saying God caused suffering to teach a lesson. It is saying that what God was doing required time. Genesis 21 says Isaac was born at the very time God had promised. The appointed time was not arbitrary. By then, every natural avenue was closed. Abraham's body was as good as dead, Paul says, and Sarah's womb was dead. When the child came, no one could mistake him for a human achievement. The name Isaac, laughter, carried both the doubt and the joy, and everyone who heard the story knew that God had done it.
That matters because the promise was never just about a child. It was about a God who brings life out of death, and about all the nations being blessed through that life. If Isaac had come in year two, Abraham would have been a man with a son. Because he came in year twenty-five, Abraham became the father of everyone who believes in the God who raises the dead. The waiting was not a detour from the promise. It was part of what the promise meant.
Third, notice what Abraham did during the wait, because it is instructive. He built altars. He went to war for his nephew. He gave a tenth to Melchizedek. He argued with God for Sodom. He planted a tree. He bought a field. He did not sit in the tent counting years. The waiting was full of ordinary obedience, and God met him in it repeatedly, sometimes with a fresh word and sometimes with silence for thirteen years at a stretch. Faith during delay does not look like certainty. It looks like continuing to build altars in unfinished country.
Now, honesty requires admitting what this does not settle. Abraham got Isaac. Some believers will not, in this life, get the thing they have prayed for. The child does not come. The prodigal does not return before the parent dies. Hebrews 11 is unflinching about this: all these people died in faith, not having received what was promised. Abraham himself never saw the nations, never saw the land possessed, never saw the blessing reach the earth. He saw it from a distance and welcomed it. The Christian answer to delay is not that everything works out before you die. It is that God's promise is larger than your lifetime, and that dying without receiving it puts you in Abraham's company rather than outside it.
That is either the most comforting thing you have ever heard or an evasion, depending on what you believe about the resurrection. If death is the end, then a promise that outlasts your life is worthless to you. If Jesus was raised, then the promise is delivered on the far side of the grave, and the waiting is not a sign that God failed but that the story is longer than you can see from here. Abraham reasoned that God could raise the dead, and it was his reasoning, not just his feelings, that got him up the mountain.
So when doubt comes because the answer has not, do what Abraham did. Say the true thing to God. I am still childless. It has been twenty-five years. I laughed. Then let him take you outside and show you the sky, and count what you can, and believe him, and go back to building whatever altar is in front of you. The appointed time is real. It is not yours to know. But the one who set it has never once failed to keep it.
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