Wherefore also we pray always for you, that our God would count you worthy of this calling, and fulfil all the good pleasure of his goodness, and the work of faith with power: That the name of our Lord Jesus Christ may be glorified in you, and ye in him, according to the grace of our God and the Lord Jesus Christ. -- 2 Thessalonians 1:11-12 (KJV)
Paul has just described believers enduring persecution and trouble. His answer is not a set of techniques for appearing stronger. He tells the Thessalonians what he prays for them: that God would count them worthy of His calling and fulfill the work of faith with power.
God Supplies What Obedience Needs
The work is real. Someone still forgives, speaks, gives, refuses temptation, keeps a promise, or returns to prayer. Faith does not remain an idea. It takes form in choices a neighbor can see.
But Paul does not leave that work resting on human force. He asks God to fulfill it with power. The ability to begin, continue, and bear fruit comes from Him. The light in a believer's life is God-given before it is ever visible to anyone else.
Power Does Not Mean Passivity
Depending on God can be twisted into an excuse to wait until obedience feels effortless. Paul leaves no room for that. He joins work of faith and power in the same prayer. God's strength does not act instead of the believer, as though grace makes response unnecessary. It meets the believer in the act of trusting Him.
A frightened person can speak the truth while asking God for courage. A weary person can serve within honest limits while receiving strength that is not self-produced. A wounded person can take the first step toward forgiveness without pretending the wound is small. Dependence and action belong together.
The Name That Is Glorified
Paul gives the purpose in the next sentence: That the name of our Lord Jesus Christ may be glorified in you. This agrees with Jesus' words about light in Matthew 5. Visible faith does not end in admiration for the person carrying it. It makes Jesus known.
What work of faith is already clear but feels larger than your strength? Bring that exact work into prayer, and then do the next thing obedience requires. Paul expects God to meet His people there.