Romans 8:31:

What shall we then say to these things?  If God be for us, who can be against us?

See also:

Mistaken Prayer Mindsets
Perfectionism and the Fear of Making Mistakes
Set Free from Fear of Punishment
Your Heavenly Father and Your Healing
Don’t Do This
Priests Should Not Be Sick, and You’re a Priest
Healing and Personal Perfection
Am I Sick Because God is Mad at Me?
I’ve Stood for a LONG Time and Nothing Has Changed.  Now What?
Does Sin in My Life Stop Me from Getting Healed?
I Have an Engagement to Preach Healing Somewhere, But I’m Really Sick Myself!  What Should I Do?