2 Thessalonians 1:5 in the King James Version
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:
Context
4 so that we ourselves boast about you in the assemblies of God for your perseverance and faith in all your persecutions and in the afflictions which you endure.
5 This is an obvious sign of the righteous judgment of God, to the end that you may be counted worthy of God’s Kingdom, for which you also suffer.
6 For it is a righteous thing with God to repay affliction to those who afflict you,