Personally I struggle with anxiety on and off. Whenever I am haveing a bad time I like to turn to these verses and meditate on them. I hope that they can help you as well.

I trust in the Lord and he renews my strength. Isaiah 40:31

Fearing any human is a trap, but confiding in the Lord keeps anyone safe. Proverbs 29:29

God has not given me the spirit of fear. He has given me the spirit of power and of love and of a sound mind. 2 Timothy 1:7

When I am weak he gives me power, when I am powerless, He gives me strength. Isaiah 40:29

The Lord is my shepherd; i have all that I need. Psalm 23:1