Ephesians 6:10 says
Be strong in the Lord and in the power of His might.
I'm not sure what you are facing today, but I want to encourage you to be strong in the Lord. Fight back empowered with His might.
Fight back with the Word of God.
If you are being attacked by anxious thoughts
Phillippians 4:6-7 Do not be anxious about anything, but in every situation, by prayer and petition, with thanksgiving, present your requests to God. And the peace of God, which transcends all understanding, will guard your hearts and your minds in Christ Jesus.
If you are having trouble forgiving someone
Colossians 3:13 Bear with each other and forgive one another if any of you has a grievance against someone. Forgive as the Lord forgave you.
If you are feeling guilty and unworthy
Roman 8:1-2 Therefore, there is now no condemnation for those who are in Christ Jesus, because through Christ Jesus the law of the Spirit who gives life has set you free from the law of sin and death.
If don't know what to pray for someone
Philippians 1:9-11 And this is my prayer: that your love may abound more and more in knowledge and depth of insight, so that you may be able to discern what is best and may be pure and blameless for the day of Christ, filled with the fruit of righteousness that comes through Jesus Christ—to the glory and praise of God.
If you are scared
Josh 1:9 Have I not commanded you? Be strong and courageous. Do not be afraid; do not be discouraged, for the LORD your God will be with you wherever you go.”
The Word of God is your weapon to fight against whatever you are battling. Be strong in the Lord. Fight back.