Charles Spurgeon Commentary 2 Thessalonians 1:3-7

"We are bound to give thanks to God always to you, brethren, even as it is meet, for that your faith growth exceedingly, and the love of each one of you all toward one another aboundeth; so that we ourselves glory in you in the churches of God for your patience and faith in all your persecutions and in the afflictions which ye endure; [which is] a manifest token of the righteous judgment of God; to the end that ye may be counted worthy of the kingdom of God, for which ye also suffer: if so be that it is righteous thing with God to recompense affliction to them that afflict you, and to you that are afflicted rest with us, at the revelation of the Lord Jesus from heaven with the angels of his power in flaming fire," — 2 Thessalonians 1:3-7 (ASV)

As it is meet, because that your faith groweth exceedingly, and the charity of every one of you all toward each other aboundeth; so that we ourselves glory in you in the churches of God for your patience and faith in all your persecutions and tribulations that ye endure: which is a manifest token of the righteous judgment of God, that ye may be counted worthy of the kingdom of God, for which ye also suffer: seeing it is a righteous thing with God to recompense tribulation to them that trouble you; and to you who are troubled rest with us,—

You will perhaps say that this command is more easily given than carried out; and yet, my brothers, the grace of God always enables us to perform what the precept of God commands. You who are troubled rest with us. If you can get even a partial glimpse of the glory that is to follow your trouble, if you can see Christ suffering with you, and realize your union with him, if the blessed Spirit who pledges himself to be with all the Lord's people will be with you, you will find it not a hard thing to rest thus: You who are troubled rest with us,—