The Sufficiency of God

Today's Scripture

2 Corinthians 12:9-10 — "But he said to me, 'My grace is sufficient for you, for my power is made perfect in weakness.' Therefore I will boast all the more gladly of my weaknesses, so that the power of Christ may rest upon me. For the sake of Christ, then, I am content with weaknesses, insults, hardships, persecutions, and calamities. For when I am weak, then I am strong."

Psalm 23:1 — "The LORD is my shepherd; I shall not want."

The Big Idea

Sufficient is a plain word for "enough." God does not promise to remove every thorn, answer every question, or smooth every road. He promises something better: that he himself will be enough in the middle of all of it. And we usually only discover that he is enough when we run out of everything else.

Reflection

The no that was better than yes

Paul had a thorn. He never tells us what it was — a chronic illness, maybe, or failing eyes, or a relentless enemy. The vagueness feels deliberate, because it lets you write in your own: the anxiety that will not lift, the body that will not cooperate, the family situation that will not resolve, the temptation that keeps circling back. Paul calls it "a thorn... in the flesh, a messenger of Satan to harass me" (2 Corinthians 12:7), and he did exactly what we would do. He prayed for it to leave. Three times. Earnestly.

There was nothing wrong with the prayer. Jesus prayed the same way in Gethsemane — three times, asking for the cup to pass. The Bible never scolds you for begging God to remove what hurts. But it does prepare you for the possibility that God's answer will go deeper than removal.

And God said no. But listen to the shape of the no: "My grace is sufficient for you, for my power is made perfect in weakness" (2 Corinthians 12:9). God did not give Paul removal. He gave Paul himself — and called it enough. Sit with how strange that is. God answered a prayer about pain with a sentence about grace. He treated Paul's deepest need as something other than what Paul thought it was — and Paul, looking back, agreed.

Charles Spurgeon, the great London preacher, was riding home one evening, worn down and discouraged, when that verse came to him — "My grace is sufficient for thee" — and he burst out laughing. The promise suddenly made his unbelief look ridiculous:

"It was as though some little fish, being very thirsty, was troubled about drinking the river dry, and Father Thames said, 'Drink away, little fish, my stream is sufficient for thee.'" — Charles Spurgeon, Autobiography

That is the right picture of God's sufficiency. Your need is real — the fish really is thirsty. But measured against the river, the worry is comedy. You cannot drink God dry. Grace is not a tank with a gauge slowly dropping toward empty. It is a river with a source — and the source is infinite.

Why God lets the batteries run out

Still, an honest question remains. If God's grace is so abundant, why the thorn at all? Why does he leave his children with weaknesses he could remove with a word?

Think about a power outage. The lights go off, and within an hour you discover what actually runs on batteries and what was secretly depending on the grid the whole time. Trials do that to a soul. As long as life hums along, we sincerely believe we are trusting God — while actually running on health, money, ability, and applause. Then the power cuts out. J.I. Packer says God does this on purpose, and explains how grace actually works on us:

"Not by shielding us from assault by the world, the flesh and the devil, nor by protecting us from burdensome and frustrating circumstances, nor yet by shielding us from troubles created by our own temperament and psychology; but rather by exposing us to all these things, so as to overwhelm us with a sense of our own inadequacy, and to drive us to cling to him more closely." — J.I. Packer, Knowing God

Read the verbs: exposing, overwhelming, driving us to cling. That is not a malfunction in the Christian life. That is the design. Packer presses it home:

"This is the ultimate reason, from our standpoint, why God fills our lives with troubles and perplexities of one sort and another: it is to ensure that we shall learn to hold him fast." — J.I. Packer, Knowing God

The thorn was not God being stingy with Paul. It was God refusing to let Paul's enormous gifts quietly replace God himself. "To keep me from becoming conceited" (2 Corinthians 12:7), Paul says — twice in one verse. The weakness was the guardrail. So Paul stopped negotiating and started boasting: "when I am weak, then I am strong" (2 Corinthians 12:10). Weakness is where the power of Christ "rests" — the word paints a tent pitched over him. Strength does not visit the self-sufficient. It camps on the empty.

Learning the secret of enough

This is how contentment is made — and notice it has to be learned. Philippians 4:11-13 — "I have learned in whatever situation I am to be content... I have learned the secret of facing plenty and hunger, abundance and need. I can do all things through him who strengthens me." We slap that last verse on sports gear, but in context it is not about winning championships. It is a prisoner saying he can face anything — full or hungry, free or chained — because Christ holds him up. Contentment is an old word for having enough, and Paul's secret is that "enough" was never a quantity. It was a person.

That distinction matters more than almost anything in the Christian life. If enough is a quantity, you will spend your whole life measuring — and the measure will always come up short, because thorns keep poking holes in the bucket. If enough is a person, contentment can survive an empty bucket. Remember, Paul wrote those verses from prison, not from a beach.

The shepherd psalm says it in six words: Psalm 23:1 — "The LORD is my shepherd; I shall not want." And the psalmist Asaph pushes it to the absolute limit: Psalm 73:25-26 — "Whom have I in heaven but you? And there is nothing on earth that I desire besides you. My flesh and my heart may fail, but God is the strength of my heart and my portion forever." My flesh may fail — Asaph looks straight at the worst case, losing everything including his own body, and finds God still standing there, still enough. C.S. Lewis compressed the math:

"He who has God and everything else has no more than he who has God only." — C.S. Lewis, The Weight of Glory

Do the equation slowly. God plus everything equals God plus nothing — because next to him, "everything" rounds to zero. People who actually believe this become very hard to rattle. Packer noticed it as a family trait of believers:

"Those who know God have great contentment in God." — J.I. Packer, Knowing God

Not contentment in circumstances. Contentment in God — the kind that survives the circumstances changing.

The proof: he did not spare his own Son

But how do you know God will actually come through for you — that the river will not run dry at the worst moment? Paul gives the gospel's unanswerable argument: Romans 8:31-32 — "If God is for us, who can be against us? He who did not spare his own Son but gave him up for us all, how will he not also with him graciously give us all things?"

Follow the logic. The most expensive gift has already been given. At the cross, God handed over what was infinitely precious to him — his own Son — for people who were ignoring him. If he paid the highest price when you were his enemy, will he really go cheap on you now that you are his child? Sufficiency is not a hopeful theory. It is the only sensible conclusion from Good Friday.

Notice, too, what the verse promises: "graciously give us all things" — not all the things on our list, but everything needed to bring us home. Sometimes that includes the thorn. It never excludes himself. The cross does not promise you a comfortable story; it guarantees you cannot be abandoned in the middle of it.

That is why the writer of Hebrews can quote God's promise and then talk back to fear: Hebrews 13:5-6 — "He has said, 'I will never leave you nor forsake you.' So we can confidently say, 'The Lord is my helper; I will not fear; what can man do to me?'" And it is why Paul, thanking a little church for their gift, signs off with a blank check drawn on heaven: Philippians 4:19 — "And my God will supply every need of yours according to his riches in glory in Christ Jesus." According to his riches — not out of your reserves. Read the Hebrews passage again and notice the order of the voices: God speaks first ("I will never leave you"), and only then do we speak ("I will not fear"). Confidence is an echo. We can talk back to fear only because God has already talked to us.

Even your grip on him is not finally what holds you. Packer offers one of the most steadying sentences he ever wrote:

"Your faith will not fail while God sustains it; you are not strong enough to fall away while God is resolved to hold you." — J.I. Packer, Knowing God

You are not strong enough to fall. Let that sink in. The sufficiency of God goes all the way down: enough grace for the thorn, enough strength for the weakness, enough faithfulness to carry your faith itself. The little fish can stop worrying about the river.

Going Deeper

Name your thorn in one written sentence — the specific weakness or unremoved trouble you have pleaded with God about. Then write 2 Corinthians 12:9 directly underneath it, changing one word: "My grace is sufficient for [your name]." Put it somewhere you will see it tomorrow morning. Once today, when the thorn stings, try Paul's strange move: instead of only asking God to take it away, thank Christ that his power is pitching its tent on your weakest spot.