14 Of these things put them in remembrance, charging them before the Lord that they strive not about words to no profit, but to the subverting of the hearers.
15 Study to shew thyself approved unto God, a workman that needeth not to be ashamed, rightly dividing the word of truth.
16 But shun profane and vain babblings: for they will increase unto more ungodliness.
17 And their word will eat as doth a canker: of whom is Hymenaeus and Philetus;
18 Who concerning the truth have erred, saying that the resurrection is past already; and overthrow the faith of some.
19 Nevertheless the foundation of God standeth sure, having this seal, The Lord knoweth them that are his. And, Let every one that nameth the name of Christ depart from iniquity.
20 But in a great house there are not only vessels of gold and of silver, but also of wood and of earth; and some to honour, and some to dishonour.
21 If a man therefore purge himself from these, he shall be a vessel unto honour, sanctified, and meet for the master's use, and prepared unto every good work.
22 Flee also youthful lusts: but follow righteousness, faith, charity, peace, with them that call on the Lord out of a pure heart.
23 But foolish and unlearned questions avoid, knowing that they do gender strifes.
24 And the servant of the Lord must not strive; but be gentle unto all men, apt to teach, patient,
25 In meekness instructing those that oppose themselves; if God peradventure will give them repentance to the acknowledging of the truth;
26 And that they may recover themselves out of the snare of the devil, who are taken captive by him at his will.
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Paul urges Timothy to avoid unnecessary and useless arguments, which give no one anything and only destroy the inner peace of those taking part in them. It should be noted that both the Greco-Roman and Jewish worlds were worlds of many words, many arguments, and many opinions. This is not simply about what today is called pluralism; it is about a cult of argument, debate, and discussion. Conversation, often on fairly abstract subjects, argument, and philosophical debate were considered the most respectable occupation for a free person who had leisure for such pursuits; that was how it had been in the Greco-Roman world since antiquity.
In the Jewish world, discussions and debates, but on religious subjects, on matters connected with the Torah, were common; and often not only learned rabbis and teachers of the Torah took part in them, but ordinary people as well. After all, every believing Jew read and studied the Torah, and there were no others then, so there were people to talk and argue, and things to talk and argue about. Of course, in a certain respect such an atmosphere was very productive: new ideas, views, concepts, and theories appeared in it almost daily.
Intellectual life flourished, but spiritual life did not always. This is understandable: such a setting encourages argument, debate, and discussion to become ends in themselves, so that taking part in them is already considered important work and a serious pursuit, while often no time remains for spiritual work, and it is not considered especially important anyway. After all, correct views and opinions appeared to be the main thing, not correct life.
Such an atmosphere also made its way into church communities, and there it had to be resisted. Even if Christianity were simply a new religion, sooner or later it would have been necessary to stop and think not about words but about life. But since Christianity never was a religion and always was precisely a new life, life in that Kingdom which the Savior brought into the world, the excess of words, arguments, and discussions threatened Christians with serious spiritual losses.
Of course, serious questions that arose in the Christian environment had to be answered, because they really could affect a person's spiritual life. If, for example, someone, like the "teachers" mentioned by the apostle, seriously thought that "the resurrection had already happened," that everything was already over and Christianity had essentially remained in the past, he would hardly be able, with such views, to live a full Christian life.
But to devote one's life to arguments and discussions in order to win them and become the most famous and unbeatable debater, and still more to see such victory as the meaning of one's church ministry, is a spiritual dead end. Arguments will never end, and in the end they will simply swallow a person, leaving him no time for life, even ordinary life, to say nothing of Christian life. This is the danger Paul warns his disciple against.