What is asceticism, and is it biblical?

Asceticism comes from a Greek word meaning training or exercise, and it names the practice of deliberately denying the body's comforts, food, sleep, possessions, pleasure, in pursuit of spiritual purity or discipline. Monks fasting for weeks, hermits living in caves, or believers today swearing off simple comforts as an act of piety all fall under this label.

The instinct behind it is not entirely wrong. The body's appetites can enslave a person, and Scripture is full of calls to discipline them. The question is whether depriving the body is, by itself, a path to holiness, or whether it can become its own kind of pride.

Throughout church history, various movements have taken asceticism to different extremes, from desert monks in the early centuries to medieval orders built around vows of poverty and silence. Some of these traditions produced genuinely devoted believers; others drifted into a works-based mindset that Scripture itself warns against, treating hardship as currency to purchase God's favor rather than as a tool in the hand of someone already accepted by grace.

Scripture does contain figures who lived austerely. John the Baptist wore camel's hair and ate locusts and wild honey (Matthew 3:4), and Jesus fasted forty days in the wilderness before facing temptation (Matthew 4:1-2). Fasting itself is commended throughout Scripture as a way of focusing the heart on God, humbling the soul, and seeking him with urgency (Joel 2:12; Acts 13:2-3).

So the Bible does not forbid deliberate self-denial or physical hardship undertaken for spiritual purposes. What it never does is present such hardship as a technique that automatically produces holiness.

Writing to the Colossians, Paul confronts false teachers who were imposing rules like "do not touch, do not taste, do not handle" as though physical austerity itself made a person more spiritual (Colossians 2:20-21). His verdict is striking: such regulations "have an appearance of wisdom, with their self-imposed worship, their false humility and their harsh treatment of the body, but they lack any value in restraining sensual indulgence" (Colossians 2:23).

In other words, punishing the body can look impressively spiritual while doing nothing to actually change the heart. Paul makes the same point to Timothy, warning against those who forbid marriage and certain foods, insisting that everything God created is good and to be received with thanksgiving (1 Timothy 4:1-5).

This warning is aimed specifically at asceticism functioning as doctrine, a required system for true spirituality, rather than at self-denial practiced as a personal, voluntary discipline. The difference matters enormously: one binds every believer's conscience to a manmade rule, while the other is a free choice made before God for a season and a purpose.

There is a real, healthy discipline the Bible commends. Paul says he disciplines his body and keeps it under control, so that after preaching to others he himself will not be disqualified (1 Corinthians 9:27). The difference between this and unbiblical asceticism is the goal. Paul's discipline serves his mission and his integrity; it is not offered to God as currency to purchase righteousness, which Scripture insists cannot be earned by any human effort (Ephesians 2:8-9).

Fasting, simplicity, and voluntary hardship can be genuine, godly tools when they are aimed at seeking God more clearly, not when they are treated as a ladder to climb toward him.

Jesus himself modeled this balance. He fasted for forty days in the wilderness, yet he was also criticized by the ascetic-minded religious leaders of his day for eating and drinking freely with sinners, to the point that they called him "a glutton and a drunkard" (Matthew 11:19). His life shows that self-discipline and joyful freedom are not opposites; both can be held by the same person, deployed wisely for different seasons and purposes.

The healthiest posture holds two truths together: your body's appetites need real discipline, and your righteousness before God rests entirely on Christ, not on how little you eat or own. "For it is by grace you have been saved, through faith, and this is not from yourselves, it is the gift of God" (Ephesians 2:8).

So fast if it draws you nearer to God. Simplify your life if it frees you to love others better. But hold every ascetic practice loosely, as a tool in a believer's hand, never as a badge of superior holiness before God or other Christians.