You Are a Survivor!
You are Strong!
You are Resilient!
All of those challenges that you weren't sure how you were going to get through has made you into the strong, resilient person you are today! You are a survivor.
Be kind to yourself for the mistakes you have made. Be kind to others for the mistakes they made towards you.
If you feel you are in a rough spot right now, remember - you have lived through other times you didn't think you had the strength for. This too will pass and you will be stronger for it.