The Bible in a Year
“But they that wait upon the Lord shall renew their strength; they shall mount up with wings as eagles; they shall run, and not be weary; and they shall walk, and not faint.” — Isaiah 40:31
Waiting is one of the hardest disciplines of faith because waiting exposes how little control we actually have. We prefer movement. We like answers. We want signs of progress. Yet Scripture repeatedly teaches that some of God’s most important work in us takes place when nothing seems to be moving at all.
Isaiah 40:31 is often quoted when people are tired, discouraged, or facing difficult circumstances, but its setting gives the verse even greater strength. Isaiah is speaking to people who know what it feels like to be weary. The chapter begins with comfort and moves toward a majestic description of God’s greatness. Nations are small before Him. He names the stars. He never becomes weary. Then Isaiah turns to exhausted people and tells them that the everlasting God can share His strength with those who wait upon Him.
The Hebrew word translated “wait” is qavah. It carries the idea of hoping, expecting, and waiting with confidence. This is not passive resignation. Biblical waiting is not sitting helplessly while life passes by. It is active trust. It means I continue praying when I do not yet see the answer. I continue obeying when the road remains unclear. I continue believing that God is faithful even when His timetable differs from mine.
That kind of waiting produces what the study describes as energy, elevation, enthusiasm, and endurance.
The first promise is renewed strength.
“They shall renew their strength.”
The Hebrew expression suggests an exchange or renewal of strength. We come to God carrying human weakness and discover that He provides resources we could not manufacture on our own. The image reminds me of stopping at a fuel pump. A vehicle may look perfectly capable from the outside, but if the tank is empty, appearance will not carry it very far.
The same is true spiritually.
We can remain busy while becoming empty.
We can attend church while becoming empty.
We can serve others while becoming empty.
We can even teach Scripture while neglecting the quiet places where Scripture restores us.
That is why waiting before God matters. We slow down long enough for His Word to correct our thinking, His presence to settle our fears, and prayer to reorder our desires.
The psalmist understood this when he wrote, “Wait for the Lord; be strong and take heart and wait for the Lord” (Psalm 27:14). Notice that waiting and strength appear together. Scripture does not treat waiting as weakness. Waiting becomes one of the ways strength is formed.
Then Isaiah speaks of elevation.
“They shall mount up with wings as eagles.”
The eagle does not defeat gravity by pretending gravity is not real. It rises by using the currents already present in the atmosphere. In a similar way, faith does not deny the difficulties surrounding us. Faith learns to see them from the perspective of God.
Waiting on the Lord lifts our vision.
Problems that once filled the entire horizon begin to look different when placed beside the greatness of God. The situation may not immediately change, but our perspective does.
That is one reason prayer is so important during waiting seasons. Prayer does not merely bring our requests before God. Prayer brings us into the presence of the One who sees what we cannot see.
Isaiah had already reminded his readers, “The Lord is the everlasting God, the Creator of the ends of the earth. He will not grow tired or weary” (Isaiah 40:28).
We become tired.
God does not.
We lose perspective.
God does not.
We become overwhelmed by the next step.
God already knows the destination.
Waiting allows us to rise above the panic of the immediate moment and remember who is directing history.
Isaiah then says, “They shall run, and not be weary.”
There is enthusiasm in this image. Running suggests movement, energy, and purpose. Yet anyone who has run for very long knows enthusiasm can disappear quickly when strength runs out.
The same happens spiritually.
People sometimes begin Christian service with tremendous excitement. They volunteer eagerly. They join ministries. They make commitments. But enthusiasm alone cannot sustain discipleship.
Faith needs roots.
Jesus described people who receive the Word with joy but have no root, so when difficulty comes they fall away (Mark 4:16–17). Emotional excitement is valuable, but it must be anchored in something deeper.
Waiting on God deepens the root.
Time in Scripture forms conviction.
Time in prayer forms dependence.
Time in worship forms perspective.
Time in obedience forms character.
Then enthusiasm becomes more than a passing feeling. It becomes a steady willingness to participate in God’s work.
John G. Butler observed that those who take time to wait in the Word and prayer discover that spiritual enthusiasm can be renewed rather than merely manufactured. That insight is worth remembering because many Christians try to fix spiritual weariness by doing more. Isaiah suggests that sometimes we need to stop long enough to receive strength before we attempt another mile.
The final promise may be the most important.
“They shall walk, and not faint.”
Notice the movement of the verse.
We mount.
We run.
We walk.
At first glance, walking seems almost anticlimactic. Surely soaring is greater than walking. Yet most of life is not lived in moments of soaring.
Most of life is walking.
We wake up.
We work.
We care for families.
We pay bills.
We make meals.
We keep appointments.
We deal with ordinary frustrations.
We worship.
We pray.
We go to sleep.
Then we begin again.
The real test of faith is often not whether we can trust God during extraordinary moments, but whether we can walk with Him faithfully through an ordinary Tuesday.
Paul uses similar language when he writes, “We walk by faith, not by sight” (2 Corinthians 5:7). Walking suggests steady progress. One foot follows another. There may be no applause. There may be no dramatic breakthrough. Yet each step matters.
God is interested not only in the moments when we soar but in the long stretches when we simply keep walking.
That is where endurance is formed.
Some prayers are answered quickly.
Others require years.
Some doors open immediately.
Others remain closed until God has prepared us for what stands behind them.
Some seasons seem filled with visible fruit.
Others seem quiet and hidden.
But waiting does not mean God has forgotten us.
Consider Abraham. God promised him a son, but Abraham waited years for Isaac.
Joseph received dreams as a young man, but years passed before their fulfillment.
David was anointed king long before he actually sat on Israel’s throne.
Even the disciples were told by Jesus after the resurrection to wait in Jerusalem until they received power from the Holy Spirit.
God frequently places waiting between promise and fulfillment.
Why?
Because God is not merely preparing what He has promised for us.
He is preparing us for what He has promised.
That may be one of the most important lessons Isaiah 40:31 teaches.
We usually judge waiting by what has not happened.
God may judge waiting by what is happening inside us.
Patience is developing.
Prayer is deepening.
Dependence is increasing.
Character is being tested.
Motives are being purified.
Faith is learning to stand without constant visible reassurance.
James writes, “Let perseverance finish its work so that you may be mature and complete, not lacking anything” (James 1:4).
The waiting room of God is often a classroom.
So if you find yourself waiting today, resist the temptation to assume nothing is happening.
Perhaps you are waiting for healing.
Perhaps you are waiting for reconciliation.
Perhaps you are waiting for guidance.
Perhaps you are waiting for a child to return to faith.
Perhaps you are waiting for employment, relief, clarity, companionship, or an answer that seems slow in coming.
Do what Isaiah recommends.
Wait upon the Lord.
Stay in His Word.
Keep praying.
Continue obeying what you already know while waiting to understand what you do not yet know.
Do not confuse God’s silence with God’s absence.
Do not confuse delay with refusal.
Do not confuse weariness with failure.
The God who created the ends of the earth has not become tired while carrying your life.
There may be mornings when faith feels like soaring.
There may be seasons when you run with enthusiasm.
And there will certainly be long stretches when all you can do is walk.
Walk anyway.
One faithful step followed by another eventually becomes a lifetime of discipleship.
Isaiah’s promise is not that believers will never become physically or emotionally tired. Even faithful people grow weary. The promise is that those who continually place their hope in God will discover resources beyond themselves.
His strength enters our weakness.
His perspective lifts our vision.
His presence renews our enthusiasm.
His faithfulness sustains our endurance.
And sometimes the greatest evidence that God has strengthened us is not that we flew above the storm.
It is that after everything we endured, we are still walking with Him.
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