I found I can not 'battle' anxiety or convince myself of something my brain does not believe i.e. that I am not anxious when in fact I am. Anxiety always wins when I try to fight it. However, I am competent and good enough and my brain does believe that so staying focused on what I know to be true, my competence, is part of the solution for me.

However, knowing I am competent is not enough to 'win the war'. I had to do a lot of the things I was anxious about until my brain understood that I would be OK. That meant being uncomfortable at times (this is what we try to avoid ... the discomfort) and what helps me with that is saying 'this will pass ... it always does'. And that is true, also.

Here is another way to deal with this problem:

If you have a religious affiliation, deepening your understanding that you truly are a perfect child of the Universe, God, Allah, just as you are, and can never be truly separate from that perfection is another way to peace.