Another favorite strategy is to limit our expectations. We se see this strategy in a Biblical story as old as Moses. He was being realistic about his chances. One way to handle failure is not to attempt anything too great, stretch ourselves too far, lest we fail. Life can be a series of successes, provided we don't ask too much of life.
Insignificant successes are better than a big failure.
God, of course, is not impressed with such meekness. Don't tell me about your inadequacies. I know well enough how much you need my help. Go, I'll be with you. Moses takes charge and is rewarded by initial success in persuading the people to follow.