There's a right way to boast in God, and a wrong way. Paul confronts a form of pride that used God's name to mask disobedience.
The final element Paul mentions is 'boasting in God.' This sounds good on the surface, but Paul reveals the dangerous twist.
The Pride of Privilege
For the Jew, boasting in God often meant glorying in their unique status: 'He is our God,' 'We have His Law,' 'We are His chosen people.' This boasting wasn't necessarily about a deep, personal relationship with God or gratitude for His goodness. Instead, it was often about nationalistic pride and a sense of exclusive favor, as highlighted by the commentaries.
Disgracing the Name
Paul's point is stark: this kind of boasting is hollow, even hypocritical, when not accompanied by genuine obedience. When those who boast in God's name live contrary to His will, they don't elevate God; they disgrace Him among those who observe their lives. Their actions speak louder than their words, leading others to blaspheme God's name because of their conduct.