“struggling against our rescuer”

This excerpt is from a novel I’m reading called, Gilead, by Marilynne Robinson:

Nevertheless, I would advise you against defensiveness on principle. It precludes the best eventualities along with the worst. At the most basic level, it expresses a lack of faith. As I have said, the worst eventualities can have great value as experience. And often enough, when we think we are protecting ourselves, we are struggling against our rescuer. I know this, I have seen the truth of it with my own eyes, though I have not myself always managed to live by it, the Good Lord knows. I truly doubt I would know how to live by it for even a day, or an hour. That is a remarkable thing to consider. (p. 154)