If there is one chapter that should blow your mind it is 2Thessalonians 1.
Paul is commending the Thessalonian church for:
• Abundantly Growing Faith
o Faith, obedience, service, and good works is something that Christians should be growing in. We are not to be idle or go backwards in our zeal to serve and trust Christ.
o In Colossians we see Paul encouraging the readers to grow in wisdom and knowledge: Colossians 1:9-10 And so, from the day we heard, we have not ceased to pray for you, asking that you may be filled with the knowledge of his will in all spiritual wisdom and understanding, so as to walk in a manner worthy of the Lord, fully pleasing to him, bearing fruit in every good work and increasing in the knowledge of God.
• Love for one another is increasing
o John makes the same point of the importance of love for the brethren: 1John 3:14 We know that we have passed out