'Necessary' in the Bible
"Men [and] brothers, it was necessary [that] the scripture be fulfilled, which the Holy Spirit proclaimed beforehand through the mouth of David concerning Judas, who became a guide to those who arrested Jesus,
Therefore it is necessary for [one] of the men who have accompanied us during all the time [in] which the Lord Jesus went in and went out among us,
But Peter and the apostles answered [and] said, "It is necessary to obey God rather than men!
Both Paul and Barnabas spoke boldly [and] said, "It was necessary [that] the word of God be spoken first to you, since you reject it and do not consider yourselves worthy of eternal life! Behold, we are turning to the Gentiles!
strengthening the souls of the disciples, encouraging [them] to continue in the faith and [saying], "Through many persecutions it is necessary [for] us to enter into the kingdom of God."
But some of those who had believed from the party of the Pharisees stood up, saying, "It is necessary to circumcise them and to command [them] to observe the law of Moses!"
For it seemed best to the Holy Spirit and to us to place on you no greater burden except these necessary things:
explaining and demonstrating that it was necessary [for] the Christ to suffer and to rise from the dead, and [saying], "This Jesus whom I am proclaiming to you is the Christ."
Now when these [things] were completed, Paul resolved in the Spirit to go to Jerusalem, passing through Macedonia and Achaia, saying, "After I have been there, it is necessary [for] me to see Rome also."
Therefore [because] these [things] are undeniable, it is necessary [that] you be quiet and do nothing rash!
I have shown you [with respect to] all [things] that [by] working hard in this way it is necessary to help those who are in need, and to remember the words of the Lord Jesus that he himself said, "It is more blessed to give than to receive."
But Paul said, "I am standing before the judgment seat of Caesar, where it is necessary [for] me to be judged. I have done no wrong to the Jews, as you also know very well.
Indeed, I myself thought it was necessary to do many [things] opposed to the name of Jesus the Nazarene,
saying, 'Do not be afraid, Paul! It is necessary [for] you to stand before Caesar, and behold, God has graciously granted you all who are sailing with you.'
Therefore I urge you to take [some] food, for this is necessary for your preservation. For not a hair from your head will be lost."