15 Bible Verses about doctrine, Purpose of

with gentleness correcting those who are in opposition, if perhaps God will grant them repentance leading to the knowledge of the truth,

Take heed to yourself and to your teaching; persevere in them, for if you do, you will save both yourself and your hearers.

but these are written that you may believe that Jesus is the Christ, the Son of God, and that believing you may have life in his name.

For since in the wisdom of God the world through its wisdom did not know God, God was pleased through the foolishness of what was preached to save those who believe. Jews demand signs and Greeks look for wisdom, but we preach Christ crucified, to Jews a stumbling block and to Gentiles foolishness,read more.
but to those who are the called, both Jews and Greeks, Christ the power of God and the wisdom of God.

but in your hearts reverence Christ as Lord. Always be prepared to make a defense to everyone who asks you to give an account for the hope that is in you, yet do it with gentleness and respect; and keep a clear conscience, so that, when you are abused, those who revile your good behavior in Christ may be put to shame.

But as for you, continue in what you have learned and have become convinced of, knowing from whom you learned it, and how from childhood you have known the sacred writings which are able to make you wise for salvation through faith in Christ Jesus.

that their hearts may be encouraged as they are knit together in love, to have all the riches of assured understanding and the knowledge of God's mystery, that is, Christ himself, in whom are hidden all the treasures of wisdom and knowledge. I say this so that no one may delude you with fine-sounding arguments.

All scripture is inspired by God and profitable for teaching, for reproof, for correction, and for training in righteousness; so that the man of God may be complete, equipped for every good work.

And he gave some to be apostles, some prophets, some evangelists, some pastors and teachers, to equip the saints for the work of service, for the building up of the body of Christ; until we all attain to the unity of the faith and of the knowledge of the Son of God, to become mature, to the measure of the stature of the fullness of Christ.read more.
As a result, we are no longer to be children, tossed here and there by waves and carried about by every wind of doctrine, by the cunning of men, by their craftiness in deceitful scheming.

for every one who lives on milk is unskilled in the word of righteousness, for he is a babe. But solid food is for the mature, for those who have their sense trained by practice to distinguish good from evil.

We proclaim him, admonishing every man and teaching every man with all wisdom, so that we may present every man complete in Christ.

he must hold firm to the sure word as taught, so that he may be able to give instruction in sound doctrine and also to refute those who contradict it.

If you point out these things to the brethren, you will be a good minister of Christ Jesus, constantly nourished on the words of the faith and of the good doctrine which you have followed.

Follow the pattern of sound words which you have heard from me, in the faith and love which are in Christ Jesus. Guard, through the Holy Spirit who dwells in us, the treasure that has been entrusted to you.

And the things you have heard from me in the presence of many witnesses, entrust to faithful men who will be able to teach others also.