v1-5 - Paul requests that people pray for the following things:
That the Word of the Lord will spread rapidly;
That Paul and the other missionaries will be delivered from wicked people;
That God will direct the hearts of Christians into God's love.
v6-15 - As an apostle, Paul had the authority to command the Thessalonians. These commands remain normative for us today as well:
Keep away from people who claim to be Christians but who live blatantly hypocritical lives;
Work hard and earn your keep;
Mind your own business and never tire of doing what is good.
v16-18 - The letter ends with another beautiful benediction (words of blessing).
How do you think most people would finish this sentence:
God is the God of _________