It’s true for everyone else because God has given us the qualifications for the appointment of elders. Also see comment below.
I suggest why he says it here is in the context just a few verses up.
25 Now concerning the betrothed, I have no command from the Lord, but I give my judgment as one who by the Lord's mercy is trustworthy. 26 I think that in view of the present distress it is good for a person to remain as he is. 27 Are you bound to a wife? Do not seek to be free. Are you free from a wife? Do not seek a wife.
It’s not a command from Christ but just advice from Paul because of the present distress.
But so now you have Paul teaching that if you want to be a bishop, then you should seek a wife, which---doesn't it?---invalidates 1st Timothy 3:1 KJV. If you want to be a bishop, then you should want a wife, but he says, "Art thou loosed from a wife? seek not a wife."
The bible was not written to us but it is written for us. In the first century God’s word was revealed in parts over years to different men. One thing might be revealed to Paul and another Peter but it’s all scripture and all applies to the church and each part is in harmony with the whole.
I believe that everything the Apostles taught is the Word of God. Many things they taught were written down and became Scripture, and there were many things that are not recorded in the New Testament also, such as their explicit teaching that abortion is grave matter. This was one of the reasons that bishops were so important, because they were instructed by the Apostles directly, and were taught many things, not only those things that appear in the New Testament.
Do any inspired writers tell us about the vow of celibacy?
Not wrt the pastorate, that I'm aware of. But there is Matthew 19:12 KJV, "there be eunuchs, which have made themselves eunuchs for the kingdom of heaven’s sake," which may bear on this.
Yes, it applies today. There is no reason why it can’t apply and be followed today.
I agree that there's no reason why it can't apply today. But as to whether it applies today, that's up to the bishops to decide, based on their knowledge of the Apostles' full witness. The Church has long considered celibate pastors to be an ideal, and imposed the requirement many centuries ago. It is a discipline, that can be changed. They might change this Church discipline soon, the matter's been recently suggested and studied.
That is the qualifications we use because it’s what God has commanded in his inspired word.
Again, Paul was instructing two bishops. God didn't command to you and to me about this, He commanded two bishops about it. The responsibility is the bishops.'
I suggest look at the context. Paul explains why a pastor/bishop/elder is required to be married.
4 He must manage his own household well, with all dignity keeping his children submissive, 5 for if someone does not know how to manage his own household, how will he care for God's church?
It’s not because they couldn’t find any single men but how a man manages his house determines if he can manage God's church.
I get your point, which is why I asked you earlier about Peter, who didn't have any children, yet you admit that he was an 'elder,' while none of the other Apostles were.
And also, as I've also mentioned, celibate priests work as pastors for many years, actually 'managing' a parish church. Hypothetically, would you think that observing how a man manages his family would be a better judge of how a pastor will 'manage' the Church, or observing how he actually 'manages' a church?
Also you said that when a married priest is ordained he must separate from his wife.
In Orthodoxy (not Catholicism due to almost every priest already being celibate and single), if a married priest is consecrated a bishop, then he separates from his wife, and she becomes a nun.
Couldn’t Paul have required the same thing then?
Paul could have done lots of things.
My wife says I can be. You might be right but I really am trying to defend what I understand to be truth by trying to see through others viewpoints. Even Paul was wrong at one time.
You show a lot of grace.