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Essay On Faith Will Move Mountains

Editors’ note: This series analyzes perplexing passages of the Bible. Previously:


Peter tells us Paul wrote some things that are hard to understand (2 Pet. 3:16).

Jesus said some difficult things, too. 

Twice the Lord told his disciples that if they had faith like a mustard seed they could do jaw-dropping things. In Matthew, mustard seed faith is tied to expelling a demon, and Jesus says those who have such faith can move mountains (Matt. 17:20). In Luke, those with mustard seed faith will be able to forgive those who sin against them since such faith can pluck up mulberry trees and cast them into the sea (Luke 17:6). All kinds of questions enter our minds.

What is faith like a mustard seed?

Why doesn’t our faith move mountains?

Are we failing to see great things from God because of our lack of faith?

Faith that Encourages

In the stories recounted in both Matthew and Luke, the disciples long for more faith. Then they could do great things for God. Then they could cast out demons and forgive a brother or sister who’s especially annoying. Jesus tells them they don’t need great faith; they need just a little faith. He clearly speaks of a small amount of faith since the mustard seed was the smallest seed known in his day. Jesus also informs his disciples that the kingdom of heaven is as small as a mustard seed (Matt. 13:31).

We’re prone to think if we just had more faith, then God could do amazing things through us. But Jesus tells us something quite astonishing. The issue isn’t whether we are full of faith but whether we have any faith. If we have the smallest amount of faith, God works on our behalf. Jesus stops his disciples short and asks them: Do you believe in me at all? Do you trust God at all?

Why is Jesus’s answer encouraging? Because we don’t get caught in the morass of thinking about whether we have enough faith. When facing a given situation, we call out to God to give us faith—no matter how small. A small amount of faith is sufficient because the focus is not on our faith but its object.

The issue isn’t whether we are full of faith but whether we have any faith. . . . A small amount of faith is sufficient because the focus is not on our faith but its object.

Why is it true that mustard seed faith can move mountains and uproot mulberry trees? Jesus plainly tells us. It isn’t because of the quantity of our faith but the object of our faith. If our faith is in the God and Father of our Lord Jesus Christ, then it has a great effect. Our faith makes a difference not because it is so great but because God is so great, because he is the sovereign one who rules over all things. Our faith doesn’t thrive when we think about how much faith we have; it springs up when we behold our God—when we see Jesus as the One crucified and risen for us.

Faith that Stands on Promises

Still, we have questions about this verse. Does our mustard seed faith move mountains and uproot mulberry trees? Do we see this happen today? Are prosperity preachers right in saying that if we had more faith, we wouldn’t get sick and would enjoy the riches of this world?

First, it’s critical to note Jesus is using an illustration. He’s not literally talking about moving mountains and uprooting trees. There’s no example in Scripture of mountains disappearing because someone had faith. Jesus is teaching that stunning things happen if we have faith. The question is, what kind of stunning things should we expect?

Here we must take into account the entire Bible. The old saying is correct: a verse without a context is a pretext. And the context is the whole Bible, which includes reading it in its covenantal and redemptive-historical timeline. We can’t just pluck any verse in the Bible and apply to our lives without considering how it relates to the sweep of Scripture as a whole.

Faith isn’t abstract; we put our faith in the promises of God, in the truth he has revealed. Scripture never promises believers they will be healthy or wealthy. Paul’s thorn in the flesh (2 Cor. 12:7–10) was probably a physical disease, and though he prayed three times for deliverance, God said “no.” Similarly, it wasn’t God’s will to heal Paul’s ministry partner Trophimus (2 Tim. 4:20), and it wasn’t because Paul lacked mustard seed faith! Additionally, Timothy wasn’t healed miraculously and instantaneously of stomach ailments, but was told to take wine to settle his indigestion (1 Tim. 5:23). Certainly Paul believed God could heal Timothy, but God had determined he would not be healed. Moreover, Romans 8:35–39 clearly teaches some believers are persecuted, and some suffer from lack of food and clothing. God never promised us a comfortable life.

Faith isn’t abstract; we put our faith in the promises of God, in the truth he’s revealed. Scripture never promises believers they will be healthy or wealthy.

Mountain-moving faith, then, must be based on God’s promises—on what is revealed in his Word—not on what we wish will happen or even fervently believe will happen.

Misguided faith can lead to disaster. In the 1520s, Thomas Muntzer believed he was led by the Holy Spirit to bring in the golden age, and warred alongside the peasants to overturn political power. But Muntzer was inspired by fantasies and died in the revolt he led. He trusted in “spiritual revelations” rather than the written words of Scripture.

We must ask first, then, whether one’s faith is truly based on the Word of God. Otherwise, it rests on the vain imaginations of man.

Faith that Sanctifies

The question remains: What is mountain-moving faith? Notice what Jesus says in Luke: Those who have faith like a mustard seed do great things. They have the faith to forgive brothers and sisters who sin against them repeatedly.

The illustration Jesus provides, then, is enormously helpful. We know it’s God’s will that we forgive those who sin against us. Yet when we’re faced with actually forgiving them, we often struggle because the pain is so severe.

Mustard seed faith, then, is faith that kills works of the flesh (Gal. 5:19–21) and produces the fruit of the Spirit (Gal. 5:22–23). Love, joy, peace, and patience are mountains that can only be climbed by faith; faith, after all, expresses itself in love (Gal. 5:6). Mustard seed faith believes the gospel will go the ends of the earth and triumph over the gates of hell. And the clearest evidence of mustard seed faith is whether you love God and your neighbor.

Our greatest enemies are not outside of us but within. Our greatest foe is the hate and rebellion that overtakes us, and mustard seed faith—because it is placed in Jesus Christ—gives us the victory over our sin.

Yet we are freed from the sin that enslaves when we rely on Christ and not our own strength and works. Mustard seed faith is enormously powerful—not because of our faith, but because it unites us to the God who raised Jesus Christ from the dead.

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Why Doesn’t Our Faith Move Mountains?

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"Faith is taking the first step even when you don't see the whole staircase," is how Martin Luther King Jr. described it. Faith is a simple, five letter word, yet it's the most important thing we can have in life. It affects everything we say, think, and do in our everyday lives. There are two kinds of faith: Big Faith and Little Faith. Big Faith is believing in things like a Supreme Being, or believing in love; you can't see either one, yet if you believe that they exist then you have Big Faith. Little Faith is found in small, everything day things we do, and sometimes they're so small we don't even realize it; one example would be starting your car. When you sit down in the driver's seat and insert your key into the ignition, you have faith that the car will start like it's supposed too. It may seem silly to some, but that is still faith.

An example of Big Faith is when my family moved down here eight years ago. When we came down here my dad didn't have any job prospects, or any interviews lined up, but we believed that God would provide the opportunities. We came down here on a Thursday and on a Friday my dad went to apply for a job at Park's Rental. They weren't hiring at the time, but when they saw his credentials they hired him on the spot. Not only was he hired, but he was hired as the manager, and he started working Monday. It took a big leap of faith to move down here not knowing when, or if, my dad would be able to find a job, but because we had faith, he found work quickly.

Although faith is what guides our lives, sometimes it doesn't always work. Generally, I'm a pretty faith-filled individual, so when I went for my first job interview, I had faith I would be hired. A week later, I got a call from the company, and I found out that I didn't get hired. Sometimes we have faith in things, but they don't work out and it quickly turns into disappointment. In trying times I have to remind myself that without faith, life would look much more depressing without something to cling to in those times of trouble.

Two of my favorite stories of faith are found in the bible: the story of Ruth and the story of Peter the disciple. Ruth has to be one of the bravest people in the bible: to leave her family, friends and everything she's ever know to take care of her mother-in-law, and so soon after she lost her husband. Even when her sister-is-law chooses to go back to her family, Ruth sticks with Naomi and shows a devotion to her that not many people today would have towards their mother-in-law. I'm not even sure that I would be able to leave everything I've ever known to go back with someone like a mother-in-law. I don't have a mother-in-law, but I have a boyfriend. I'm gonna be honest: if I ever got married to him one day and he died, along with his father, leaving just me and his mother, I'm pretty sure I wouldn't wanna leave my family and friends just to go with her back to her hometown and take care of her. So for Ruth to be able to do that shows a great amount of faith.

Another extraordinary story is that of Peter, one of the disciples of Jesus. Some of the followers of Jesus were just sitting out in a boat when suddenly they looked up and they saw Jesus walking towards them…on top of the water! Now here's the interesting part, Peter decides to jump out of the boat and walked over to Jesus. Not only does he attempt walking on water, but he actually does it—until he starts to doubt, and consequently, he starts to sink. Now, I don't know if Peter could swim or not, but I always assumed he couldn't because he sunk under the water instead of trying to swim. I don't know, it may have just been that he was wearing heavy clothes or something. Either way, I think is amazing that he had such big faith that he would jump overboard to go and meet Jesus out on the water. As someone who can't swim, I know I wouldn't be able to do that. I'd be too scared of drowning to take that big a leap of faith. Peter reminds me that faith really can cause miracles, such as walking on top of water. There are many other great stories of faith in the Bible, such as when David killed the giant Goliath, when Daniel was thrown into the lion's den, and when Queen Ester walked into the King's Court ever though he hadn't summoned her, so she could stop the genocide of her people, but these were the first two that stuck out in my mind.

Faith is the center of every religion, so naturally, it must be important to our happiness and well-being as humans. Recent research even claims that people who have faith in a God are happier than Agnostics or Atheists. Faith is so important to believers of any religion; the Bible even says that if you have faith as small as a mustard seed you can move mountains. Some may write of such beliefs in a God as frivolous, but it takes a great amount of courage to believe in something that you can't see. The famous historian Voltaire even said, "Faith consists in believing when it is beyond the power of reason to believe."

Some people say that faith isn't really important, but it's impossible to live without faith in something. Life would look pretty bleak and miserable if we didn't have faith in anything. Faith is something you can't live without, and even when we try, we find that we can't do simple day-to-day things without it. As human beings, we thrive in an environment where we know that some things are beyond our control, and therefore, we don't have to do everything perfectly. As Emmanuel Teney put it, "As your faith is strengthened you will find that there is no longer the need to have a sense of control, that things will flow as they will, and that you will flow with them, to your great delight and benefit."