Paul, Silvanus, and Timothy, To the church of the Thessalonians in God our Father and the Lord Jesus Christ:
Grace to you and peace from God our Father and the Lord Jesus Christ.
References for 2 Thessalonians 1:2
We must always give thanks to God for you, brothers and sisters, as is right, because your faith is growing abundantly, and the love of everyone of you for one another is increasing.
References for 2 Thessalonians 1:3
Therefore we ourselves boast of you among the churches of God for your steadfastness and faith during all your persecutions and the afflictions that you are enduring.
This is evidence of the righteous judgment of God, and is intended to make you worthy of the kingdom of God, for which you are also suffering.
For it is indeed just of God to repay with affliction those who afflict you,