Dr. Luis Ángel DíazDevotionals for pastors and leaders

Doctrine in Christian formation

2 Timothy 3:16–17

Doctrine in Christian formation

Introduction

Every Christian is being shaped by what they believe. Our decisions, priorities, relationships, and ways of facing life reveal deep convictions.

Doctrine is therefore not information reserved for theologians: it is biblical truth that shapes our minds, protects our faith, and guides our spiritual lives each day.

Biblical foundation

2 Timothy 3:16–17 (translated from the Spanish text cited, NVI): “All Scripture is inspired by God and useful for teaching, rebuking, correcting, and instructing in righteousness, so that the servant of God may be fully equipped for every good work.”

Ephesians 4:13–14 (translated from the Spanish text cited, NVI): “In this way, we will all reach unity in faith and in the knowledge of the Son of God, a perfect humanity that conforms to the full stature of Christ. Then we will no longer be children, tossed by the waves and carried here and there by every wind of teaching.”

Titus 2:1 (translated from the Spanish text cited, NVI): “You, however, preach what is consistent with sound doctrine.”

Biblical doctrine shapes the mind, guides conduct, and strengthens the believer's spiritual life. It equips believers to discern truth, grow in maturity, and always live faithfully before God.

Doctrine teaches us to think according to the Word

Inspired Scripture teaches, rebukes, corrects, and instructs believers. It shapes their thinking and conduct according to God; biblical doctrine is therefore an indispensable instrument for comprehensive Christian formation.

2 Timothy 3:16–17: “All Scripture is inspired by God and useful for teaching, rebuking, correcting, and instructing in righteousness, so that the servant of God may be fully equipped for every good work.”

Myer Pearlman states:

“Christian doctrine [...] can be defined as the fundamental truths of the Holy Scriptures arranged systematically.”

A Christian mind is not formed merely by accumulating verses, but by learning to understand reality through biblical concepts and principles. Achieving this requires study.

Doctrine renews our understanding of reality

The renewal of the mind transforms our way of life. Biblical doctrine provides true categories, concepts, and principles for understanding God, human beings, sin, salvation, and reality.

Ideas like these circulate on social media and in popular sayings:

“Follow your heart.”

“Live your truth.”

“Be true to yourself.”

“Do what makes you happy.”

“Believe in yourself.”

“You define who you are.”

“What matters is feeling good about yourself.”

“No one can tell you what is right or wrong.”

“This is who I am, and no one is going to change me.”

In the face of these mistaken categories, Scripture calls us to renew our minds:

Romans 12:2: “Do not conform to the present world, but be transformed through the renewal of your mind. Then you will be able to discern what God's will is: good, pleasing, and perfect.”

As Myer Pearlman observes:

“A person's actions and conduct are influenced by what they believe.”

What we believe about God, ourselves, sin, Christ, and salvation ultimately influences our decisions, emotions, priorities, and relationships.

Doctrine turns known truth into conviction

Jesus connected knowledge with obedience. Doctrine therefore fulfills its purpose when understood truth becomes conviction, decision, character, and consistent practice in the Christian life.

John 13:17: “Do you understand this? You will be blessed if you put it into practice.”

James 1:22: “Do not be content merely to hear the word, for in doing so you deceive yourselves. Put it into practice.”

Myer Pearlman expresses this relationship as follows:

“Religion and theology must go hand in hand in a well-balanced experience.”

True biblical formation does not end when we can explain a doctrine, but when that doctrine begins to govern our way of life.

Conclusion

Biblical doctrine shapes the mind, guides conduct, and strengthens the believer's spiritual life. It equips us to discern truth, grow in maturity, and always live faithfully before God.