'One' in the Bible

for kings and all who are in [positions of] high authority, so that we may live a peaceful and quiet life in all godliness and dignity.

For there is [only] one God, and [only] one Mediator between God and mankind, the Man Christ Jesus,

Now an overseer must be blameless and beyond reproach, the husband of one wife, self-controlled, sensible, respectable, hospitable, able to teach,

Deacons must be husbands of only one wife, and good managers of their children and their own households.

Let no one look down on [you because of] your youth, but be an example and set a pattern for the believers in speech, in conduct, in love, in faith, and in [moral] purity.

A widow is to be put on the list [to receive regular assistance] only if she is over sixty years of age, [having been] the wife of one man,

and has a reputation for good deeds; [she is eligible] if she has brought up children, if she has shown hospitality to strangers, if she has washed the feet of the saints (God’s people), if she has assisted the distressed, and has devoted herself to doing good in every way.

to keep all His precepts without stain or reproach until the appearing of our Lord Jesus Christ,