that the name of our Lord Jesus{TR adds "Christ"} may be glorified in you, and you in him, according to the grace of our God and the Lord Jesus Christ.
This section of verses (2 Thessalonians 1:3-12) gives us great insight into God’s reasons for allowing His saints to undergo affliction for their faith (cf. James 1). Persecution can be a great blessing from God and can bring great glory to our Lord Jesus Christ both now and in the future.