Now therefore, it is already an utter failure for you that you go to law against one another. Why do you not rather accept wrong? Why do you not rather let yourselves be cheated?
In his letter to the Corinthians, the apostle Paul goes through a list of problems he has heard about and needs to address. In 1 Corinthians 6 he mentions the problem that Christians were taking other Christians to the courts of the land instead of resolving disputes within the Church.
Paul explains that saints—true, set-apart followers of Christ—are in training to judge the world and even judge angels (1 Corinthians 6:2-3). So why were they shaming the name of the Church by dragging their brethren to court before judges of this world?
Within the Church there should be wisdom and godly judgment, but Paul says that even if they had to accept wrong or be cheated, it would be better than taking a brother to court and trying to cheat him (verses 7-8).
For more about the kind of judgment Christians are supposed to learn, see the article “What Did Jesus Mean by ‘Judge Not’?”