2 Thessalonians 1:4-6

Young's Literal Translation

⁴ so that we ourselves do glory in you in the assemblies of God, for your endurance and faith in all your persecutions and tribulations that ye bear;

⁵ a token of the righteous judgment of God, for your being counted worthy of the reign of God, for which also ye suffer,

⁶ since [it is] a righteous thing with God to give back to those troubling you -- trouble,