1 Corinthians 6:3-5 not know you, that messengers we shall judge? much more then things of this life?

Diaglott⁽ⁱ⁾ ³ not know you, that messengers we shall judge? much more then things of this life? ⁴ Things of this life indeed then judgments if you may have, those having been no account in the congregation, those do you cause to sit? ⁵ For shame to you I speak; thus not one among you wise not even one, who shall be able to decide between the brethren of himself?