"Have nothing to do with godless myths and old wives’ tales; rather, train yourself to be godly. For physical training is of some value, but godliness has value for all things, holding promise for both the present life and the life to come."
— 1 Timothy 4:7-8
Quick Answer
A spiritual discipline is a practice like prayer, Scripture reading, fasting, or worship that intentionally positions you to grow closer to God and become more like Christ. It matters because godliness does not happen automatically; Scripture calls believers to actively train themselves for it (1 Timothy 4:7-8).
Training, Not Earning
A spiritual discipline is any regular practice a Christian uses to grow in relationship with God and grow into Christlikeness. Prayer, Bible reading, fasting, worship, solitude, service, and giving are among the most common examples found throughout Scripture. None of these earn God’s favor; you already have that fully through Christ (Ephesians 2:8-9). Instead, they train you to receive and respond to the grace already given.
Paul uses exactly this athletic language with Timothy, urging him to train himself to be godly, since physical training has some value but godliness has value for all things (1 Timothy 4:7-8). Just as an athlete does not become strong by accident, a Christian does not grow spiritually mature by accident either.
Why Discipline, Not Just Desire
It is tempting to think spiritual growth should happen naturally, simply because you love God and want to grow. But desire alone rarely produces change in any area of life, physical health, skill, or character, and spiritual life is no different. Paul describes his own approach as deliberate and disciplined, saying he disciplines his body and keeps it under control (1 Corinthians 9:27). Left unstructured, good intentions tend to dissolve into whatever feels easiest in the moment.
Spiritual disciplines create consistent space for God to work. They do not manufacture spiritual growth by themselves, but they position you where growth normally happens, much like planting and watering a field position it for a harvest only God can ultimately produce (1 Corinthians 3:6-7).
The Danger of Turning Disciplines Into a Checklist
Disciplines can go wrong in two directions. Neglected, they leave you spiritually thin, reactive, and easily swept along by circumstances. Practiced without love, they curdle into legalism, a private performance meant to earn approval from God or impress other believers. Jesus rebuked religious leaders who fasted and prayed publicly for show while their hearts remained far from God (Matthew 6:5, 16).
The test is not whether you checked a box but whether the practice actually drew you closer to God. A discipline done out of joyful desire and a discipline done out of grim duty can look identical from the outside, yet be worlds apart on the inside.
Examples Throughout Scripture
Jesus himself modeled spiritual disciplines, regularly withdrawing to pray alone (Luke 5:16), fasting forty days in the wilderness (Matthew 4:1-2), and being in the habit of attending synagogue on the Sabbath (Luke 4:16). David wrote extensively about meditating on God’s law day and night (Psalm 1:2). The early church devoted itself to the apostles’ teaching and to fellowship, to the breaking of bread and to prayer (Acts 2:42). These were not occasional activities but steady, repeated rhythms.
Why It Actually Matters for You
Spiritual disciplines matter because they shape what you love. Left on autopilot, your attention naturally drifts toward whatever is loudest, entertainment, ambition, anxiety, comfort. Regular practices like prayer and Scripture reading redirect that attention back to God, forming your desires over time the same way consistent exercise reshapes a body. You are not building a resume for God to inspect; you are cultivating the soil where the fruit of a real relationship with him can actually grow (Galatians 5:22-23).
Disciplines of Engagement and Disciplines of Abstinence
Spiritual disciplines generally fall into two broad categories. Disciplines of engagement involve actively doing something: praying, studying Scripture, worshiping with other believers, serving those in need, giving generously. Disciplines of abstinence involve intentionally not doing something ordinarily permitted: fasting, solitude, silence, simplicity. A healthy spiritual life usually needs both kinds, since engagement disciplines fill you with truth and worship while abstinence disciplines clear away noise and dependence on lesser comforts.
Different seasons of life call for different emphases. A season of grief might call for more engagement, leaning hard into prayer and the encouragement of other believers, while a season of busyness or distraction might call for more abstinence, deliberately clearing space that has been crowded out. There is no single correct combination for every believer at every time; wisdom involves noticing what your particular soul needs most right now and responding accordingly (Ecclesiastes 3:1).
If you are unsure where to begin, start with the discipline that feels most obviously neglected in your current life. For many believers that is simply unhurried time in Scripture and prayer, the most basic and foundational of all the disciplines, and the one from which nearly every other spiritual practice ultimately draws its strength.