Chances are you are among the massive majority of Christians who rarely or never fast. It’s not because we haven’t read our Bibles or sat under faithful preaching or heard about the power of fasting, or even that we don’t genuinely want to do it. We just never actually get around to putting down the fork.
Part of it may be that we live in a society in which food is so ubiquitous that we eat not only when we don’t need to, but sometimes even when we don’t want to. We eat to share a meal with others, to build or grow relationships (good reasons), or just as a distraction from responsibility.
And of course, there are our own cravings and aches for comfort that keep us from the discomfort of fasting.
Fasting is simply voluntarily going without food — or any other regularly enjoyed, good gift from God — for the sake of some spiritual purpose. It is markedly counter-cultural in our consumerist society, like abstaining from sex until marriage.
If we are to learn the lost art of fasting and enjoy its fruit, it will not come with our ear to the ground of society, but with Bibles open. Then, the concern will not be whether we fast, but when. Jesus assumes his followers will fast, and even promises it will happen. He doesn’t say “if,” but “when you fast” (Matthew 6:16). And he doesn’t say his followers might fast, but “they will” (Matthew 9:15).
We fast in this life because we believe in the life to come. We don’t have to get it all here and now, because we have a promise that we will have it all in the coming age. We fast from what we can see and taste because we have tasted and seen the goodness of the invisible and infinite God — and are desperately hungry for more of him.
Fasting is for this world, for stretching our hearts to get fresh air beyond the pain and trouble around us. And it is for the battle against the sin and weakness inside us. We express our discontent with our sinful selves and our longing for Christ.
When Jesus returns, fasting will be done. It’s a temporary measure, for this life and age, to enrich our joy in Jesus and prepare our hearts for the next — for seeing him face to face. When he returns, he will not call a fast, but throw a feast; then all holy abstinence will have served its glorious purpose and be seen by all for the stunning gift it was.
Until then, we will fast.
Fasting is hard. It sounds much easier in concept than it proves to be in practice. It can be surprising how on-edge we feel when we miss a meal. Many an idealistic new fast-er has decided to miss a meal and only found our belly drove us to make up for it long before the next mealtime came.
Fasting sounds so simple, and yet the world, our flesh, and the devil conspire to introduce all sorts of complications that keep it from happening. In view of helping you start down the slow path to good fasting, here are six simple pieces of advice. These suggestions might seem pedantic, but the hope is that such basic counsel can serve those who are new at fasting or have never seriously tried it.
Don’t go from no fasting to attempting a weeklong. Start with one meal; maybe fast one meal a week for several weeks. Then try two meals, and work your way up to a daylong fast. Perhaps eventually try a two-day juice fast.
A juice fast means abstaining from all food and beverage, except for juice and water. Allowing yourself juice provides nutrients and sugar for the body to keep you operating, while also still feeling the effects from going without solid food. It’s not recommended that you abstain from water during a fast of any length.
Fasting isn’t merely an act of self-deprivation, but a spiritual discipline for seeking more of God’s fullness. Which means we should have a plan for what positive pursuit to undertake in the time it normally takes to eat. We spend a good portion of our day with food in front of us. One significant part of fasting is the time it creates for prayer and meditation on God’s word or some act of love for others.
Before diving headlong into a fast, craft a simple plan. Connect it to your purpose for the fast. Each fast should have a specific spiritual purpose. Identify what that is and design a focus to replace the time you would have spent eating. Without a purpose and plan, it’s not Christian fasting; it’s just going hungry.
Fasting is no license to be unloving. It would be sad to lack concern and care for others around us because of this expression of heightened focus on God. Love for God and for neighbor go together. Good fasting mingles horizontal concern with the vertical. If anything, others should even feel more loved and cared for when we’re fasting.
So as you plan your fast, consider how it will affect others. If you have regular lunches with colleagues or dinners with family or roommates, assess how your abstaining will affect them, and let them know ahead of time, instead of just being a no-show, or springing it on them in the moment that you will not be eating.
Also, consider this backdoor inspiration for fasting: If you make a daily or weekly practice of eating with a particular group of friends or family, and those plans are interrupted by someone’s travel or vacation or atypical circumstances, consider that as an opportunity to fast, rather than eating alone.
The typical form of fasting is personal, private, and partial, but we find a variety of forms in the Bible: personal and communal, private and public, congregational and national, regular and occasional, absolute and partial.
In particular, consider fasting together with your family, small group, or church. Do you share together in some special need for God’s wisdom and guidance? Is there an unusual difficulty in the church, or society, for which you need God’s intervention? Do you want to keep the second coming of Christ in view? Plead with special earnestness for God’s help by linking arms with other believers to fast together.
Fasting from food is not necessarily for everyone. Some health conditions keep even the most devout from the traditional course. However, fasting is not limited to abstaining from food. As Martyn Lloyd-Jones said, “Fasting should really be made to include abstinence from anything which is legitimate in and of itself for the sake of some special spiritual purpose.”
If the better part of wisdom for you, in your health condition, is not to go without food, consider fasting from television, computer, social media, or some other regular enjoyment that would bend your heart toward greater enjoyment of Jesus. Paul even talks about married couples fasting from sex “for a limited time, that you may devote yourselves to prayer” (1 Corinthians 7:5).
When your empty stomach starts to growl and begins sending your brain every “feed me” signal it can don’t be content to let your mind dwell on the fact that you haven’t eaten. If you make it through with an iron will that says no to your stomach, but doesn’t turn your mind’s eye elsewhere, it says more about your love for food than your love for God.
Christian fasting turns its attention to Jesus or some great cause of his in the world. Christian fasting seeks to take the pains of hunger and transpose them into the key of some eternal anthem, whether it’s fighting against some sin or pleading for someone’s salvation, or for the cause of the unborn, or longing for a greater taste of Jesus.
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Did you know that almost six out of ten teens leave the church at some point? Nearly 60% of high school students who grow up going to church will close the doors to a Christian life. And usually, they don't come back (survey by the Barna Group). "Because of people breaking the laws and sin being everywhere, the love in the hearts of many people will become cold." Matthew 24:12
Whenever I answer a question like this, I’m deeply aware that someone may be reading this who is seriously contemplating suicide—and I would do everything in my power to convince them not to take that final, drastic step. With Christ, there is always hope. If that’s you, please hear me. Don’t you dare do that! Jesus and I deeply love you and need you.